202867791840

素因数分解:

$2^5\times 3^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 1152

約数和(自身を含む): 877330621440

約数和(自身を除く): 674462829600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 54, 56, 60, 63, 68, 70, 72, 80, 81, 84, 85, 90, 96, 102, 105, 108, 112, 119, 120, 126, 135, 136, 140, 144, 153, 160, 162, 163, 168, 170, 180, 189, 204, 210, 216, 224, 238, 240, 243, 252, 255, 269, 270, 272, 280, 288, 306, 315, 324, 326, 336, 340, 357, 360, 378, 405, 408, 420, 432, 459, 476, 480, 486, 489, 504, 510, 538, 540, 544, 560, 567, 595, 612, 630, 648, 652, 672, 680, 714, 720, 756, 765, 807, 810, 815, 816, 840, 864, 918, 945, 952, 972, 978, 1008, 1020, 1071, 1076, 1080, 1120, 1134, 1141, 1190, 1215, 1224, 1260, 1296, 1304, 1345, 1360, 1377, 1428, 1440, 1467, 1512, 1530, 1614, 1620, 1630, 1632, 1680, 1701, 1785, 1836, 1883, 1890, 1904, 1944, 1956, 2016, 2040, 2142, 2152, 2160, 2268, 2282, 2295, 2380, 2421, 2430, 2445, 2448, 2520, 2592, 2608, 2690, 2720, 2754, 2771, 2835, 2856, 2934, 3024, 3060, 3213, 3228, 3240, 3260, 3360, 3402, 3423, 3570, 3672, 3766, 3780, 3808, 3888, 3912, 4035, 4080, 4131, 4284, 4304, 4320, 4401, 4536, 4564, 4573, 4590, 4760, 4842, 4860, 4890, 4896, 5040, 5216, 5355, 5380, 5508, 5542, 5649, 5670, 5705, 5712, 5868, 6048, 6120, 6426, 6456, 6480, 6520, 6804, 6846, 6885, 7140, 7263, 7335, 7344, 7532, 7560, 7776, 7824, 8070, 8160, 8262, 8313, 8505, 8568, 8608, 8802, 9072, 9128, 9146, 9180, 9415, 9520, 9639, 9684, 9720, 9780, 10080, 10269, 10710, 10760, 11016, 11084, 11298, 11340, 11410, 11424, 11736, 12105, 12240, 12852, 12912, 12960, 13040, 13203, 13608, 13692, 13719, 13770, 13855, 14280, 14526, 14670, 14688, 15064, 15120, 15648, 16065, 16140, 16524, 16626, 16947, 17010, 17115, 17136, 17604, 18144, 18256, 18292, 18360, 18830, 19040, 19278, 19368, 19397, 19440, 19560, 20538, 20655, 21420, 21520, 21789, 22005, 22032, 22168, 22596, 22680, 22820, 22865, 23472, 24210, 24480, 24939, 25704, 25824, 26080, 26406, 27216, 27384, 27438, 27540, 27710, 28245, 28560, 28917, 29052, 29340, 30128, 30240, 30807, 32011, 32130, 32280, 33048, 33252, 33894, 34020, 34230, 34272, 35208, 36315, 36512, 36584, 36720, 37660, 38556, 38736, 38794, 38880, 39120, 39609, 41076, 41157, 41310, 41565, 42840, 43040, 43578, 43847, 44010, 44064, 44336, 45192, 45360, 45640, 45730, 46944, 48195, 48420, 49878, 50841, 51345, 51408, 52812, 54432, 54768, 54876, 55080, 55420, 56490, 57120, 57834, 58104, 58191, 58680, 60256, 61614, 64022, 64260, 64560, 65367, 66015, 66096, 66504, 67788, 68040, 68460, 68595, 70416, 72630, 73168, 73440, 74817, 75320, 77112, 77472, 77588, 78240, 79218, 82152, 82314, 82620, 83130, 84735, 85680, 87156, 87694, 88020, 88672, 90384, 90720, 91280, 91460, 92421, 96033, 96390, 96840, 96985, 99756, 101682, 102690, 102816, 105624, 108945, 109536, 109752, 110160, 110840, 112980, 115668, 116208, 116382, 117360, 123228, 123471, 124695, 128044, 128520, 129120, 130734, 131541, 132030, 132192, 133008, 135576, 136080, 136920, 137190, 140832, 144585, 145260, 146336, 149634, 150640, 152523, 154035, 154224, 155176, 158436, 160055, 164304, 164628, 165240, 166260, 169470, 171360, 174312, 174573, 175388, 176040, 180768, 182560, 182920, 184842, 192066, 192780, 193680, 193970, 198045, 199512, 203364, 205380, 205785, 211248, 217890, 219235, 219504, 220320, 221680, 224451, 225960, 231336, 232416, 232764, 234720, 246456, 246942, 249390, 254205, 256088, 257040, 261468, 263082, 264060, 266016, 271152, 272160, 273840, 274380, 277263, 288099, 289170, 290520, 290955, 299268, 301280, 305046, 306929, 308070, 308448, 310352, 316872, 320110, 326835, 328608, 329256, 330480, 332520, 338940, 348624, 349146, 350776, 352080, 365840, 369684, 370413, 374085, 384132, 385560, 387360, 387940, 394623, 396090, 399024, 406728, 410760, 411570, 422496, 435780, 438470, 439008, 443360, 448902, 451920, 457569, 462105, 462672, 465528, 480165, 492912, 493884, 498780, 508410, 512176, 514080, 522936, 523719, 526164, 528120, 542304, 547680, 548760, 554526, 576198, 578340, 581040, 581910, 598536, 610092, 613858, 616140, 617355, 620704, 633744, 640220, 653670, 657705, 658512, 660960, 665040, 673353, 677880, 697248, 698292, 701552, 704160, 731680, 739368, 740826, 745399, 748170, 762615, 768264, 771120, 775880, 789246, 792180, 798048, 813456, 821520, 823140, 864297, 871560, 872865, 876940, 897804, 903840, 915138, 920787, 924210, 925344, 931056, 960330, 985824, 987768, 997560, 1016820, 1024352, 1045872, 1047438, 1052328, 1056240, 1097520, 1109052, 1111239, 1122255, 1152396, 1156680, 1162080, 1163820, 1183869, 1197072, 1220184, 1227716, 1232280, 1234710, 1267488, 1280440, 1307340, 1315410, 1317024, 1330080, 1346706, 1355760, 1386315, 1396584, 1403104, 1440495, 1478736, 1481652, 1490798, 1496340, 1525230, 1534645, 1536528, 1542240, 1551760, 1571157, 1578492, 1584360, 1626912, 1643040, 1646280, 1728594, 1743120, 1745730, 1753880, 1795608, 1830276, 1841574, 1848420, 1852065, 1862112, 1920660, 1973115, 1975536, 1995120, 2033640, 2091744, 2094876, 2104656, 2112480, 2195040, 2218104, 2222478, 2236197, 2244510, 2287845, 2304792, 2313360, 2327640, 2367738, 2394144, 2440368, 2455432, 2464560, 2469420, 2560880, 2592891, 2614680, 2618595, 2630820, 2693412, 2711520, 2762361, 2772630, 2793168, 2880990, 2957472, 2963304, 2981596, 2992680, 3050460, 3069290, 3073056, 3103520, 3142314, 3156984, 3168720, 3292560, 3366765, 3457188, 3486240, 3491460, 3507760, 3551607, 3591216, 3660552, 3683148, 3696840, 3704130, 3726995, 3841320, 3946230, 3951072, 3990240, 4067280, 4189752, 4209312, 4321485, 4436208, 4444956, 4472394, 4489020, 4575690, 4603935, 4609584, 4626720, 4655280, 4713471, 4735476, 4880736, 4910864, 4929120, 4938840, 5121760, 5185782, 5217793, 5229360, 5237190, 5261640, 5386824, 5524722, 5545260, 5556195, 5586336, 5761980, 5919345, 5926608, 5963192, 5985360, 6100920, 6138580, 6284628, 6313968, 6337440, 6585120, 6708591, 6733530, 6914376, 6982920, 7015520, 7103214, 7182432, 7321104, 7366296, 7393680, 7408260, 7453990, 7682640, 7778673, 7855785, 7892460, 8134560, 8287083, 8379504, 8642970, 8872416, 8889912, 8944788, 8978040, 9151380, 9207870, 9219168, 9310560, 9426942, 9470952, 9821728, 9877680, 10371564, 10435586, 10458720, 10474380, 10523280, 10654821, 10773648, 11049444, 11090520, 11112390, 11180985, 11523960, 11838690, 11853216, 11926384, 11970720, 12201840, 12277160, 12569256, 12627936, 12964455, 13417182, 13467060, 13811805, 13828752, 13965840, 14206428, 14642208, 14732592, 14787360, 14816520, 14907980, 15365280, 15557346, 15653379, 15711570, 15784920, 16574166, 16759008, 17285940, 17758035, 17779824, 17889576, 17956080, 18302760, 18415740, 18853884, 18941904, 19755360, 20125773, 20743128, 20871172, 20948760, 21046560, 21309642, 21547296, 22098888, 22181040, 22224780, 22361970, 23047920, 23567355, 23677380, 23852768, 24403680, 24554320, 24861249, 25138512, 25928910, 26088965, 26834364, 26934120, 27623610, 27657504, 27931680, 28412856, 29465184, 29633040, 29815960, 31114692, 31306758, 31423140, 31569840, 33148332, 33542955, 34571880, 35516070, 35559648, 35779152, 35912160, 36605520, 36831480, 37707768, 37883808, 38893365, 40251546, 41435415, 41486256, 41742344, 41897520, 42619284, 44197776, 44362080, 44449560, 44723940, 46095840, 46960137, 47134710, 47354760, 49108640, 49722498, 50277024, 51857820, 52177930, 53274105, 53668728, 53868240, 55247220, 56825712, 59266080, 59631920, 60377319, 62229384, 62613516, 62846280, 63139680, 66296664, 67085910, 69143760, 71032140, 71558304, 73211040, 73662960, 74583747, 75415536, 77786730, 78266895, 80503092, 82870830, 82972512, 83484688, 83795040, 85238568, 88395552, 88899120, 89447880, 93920274, 94269420, 94709520, 99444996, 100628865, 103715640, 104355860, 106548210, 107337456, 107736480, 110494440, 113651424, 119263840, 120754638, 124306245, 124458768, 125227032, 125692560, 132593328, 134171820, 138287520, 140880411, 142064280, 147325920, 149167494, 150831072, 155573460, 156533790, 161006184, 165741660, 166969376, 170477136, 177798240, 178895760, 181131957, 187840548, 188538840, 189419040, 198889992, 201257730, 207431280, 208711720, 213096420, 214674912, 220988880, 234800685, 241509276, 248612490, 248917536, 250454064, 251385120, 265186656, 268343640, 281760822, 284128560, 298334988, 301886595, 311146920, 313067580, 322012368, 331483320, 340954272, 357791520, 362263914, 372918735, 375681096, 377077680, 397779984, 402515460, 414862560, 417423440, 422641233, 426192840, 441977760, 469601370, 483018552, 497224980, 500908128, 536687280, 563521644, 568257120, 596669976, 603773190, 622293840, 626135160, 644024736, 662966640, 704402055, 724527828, 745837470, 751362192, 754155360, 795559968, 805030920, 834846880, 845282466, 852385680, 905659785, 939202740, 966037104, 994449960, 1073374560, 1127043288, 1193339952, 1207546380, 1244587680, 1252270320, 1267923699, 1325933280, 1408804110, 1449055656, 1491674940, 1502724384, 1610061840, 1690564932, 1704771360, 1811319570, 1878405480, 1932074208, 1988899920, 2113206165, 2254086576, 2386679904, 2415092760, 2504540640, 2535847398, 2817608220, 2898111312, 2983349880, 3220123680, 3381129864, 3622639140, 3756810960, 3977799840, 4226412330, 4508173152, 4830185520, 5071694796, 5635216440, 5796222624, 5966699760, 6339618495, 6762259728, 7245278280, 7513621920, 8452824660, 9660371040, 10143389592, 11270432880, 11933399520, 12679236990, 13524519456, 14490556560, 16905649320, 20286779184, 22540865760, 25358473980, 28981113120, 33811298640, 40573558368, 50716947960, 67622597280, 101433895920, 202867791840]

約数ペア:

[(1, 202867791840), (2, 101433895920), (3, 67622597280), (4, 50716947960), (5, 40573558368), (6, 33811298640), (7, 28981113120), (8, 25358473980), (9, 22540865760), (10, 20286779184), (12, 16905649320), (14, 14490556560), (15, 13524519456), (16, 12679236990), (17, 11933399520), (18, 11270432880), (20, 10143389592), (21, 9660371040), (24, 8452824660), (27, 7513621920), (28, 7245278280), (30, 6762259728), (32, 6339618495), (34, 5966699760), (35, 5796222624), (36, 5635216440), (40, 5071694796), (42, 4830185520), (45, 4508173152), (48, 4226412330), (51, 3977799840), (54, 3756810960), (56, 3622639140), (60, 3381129864), (63, 3220123680), (68, 2983349880), (70, 2898111312), (72, 2817608220), (80, 2535847398), (81, 2504540640), (84, 2415092760), (85, 2386679904), (90, 2254086576), (96, 2113206165), (102, 1988899920), (105, 1932074208), (108, 1878405480), (112, 1811319570), (119, 1704771360), (120, 1690564932), (126, 1610061840), (135, 1502724384), (136, 1491674940), (140, 1449055656), (144, 1408804110), (153, 1325933280), (160, 1267923699), (162, 1252270320), (163, 1244587680), (168, 1207546380), (170, 1193339952), (180, 1127043288), (189, 1073374560), (204, 994449960), (210, 966037104), (216, 939202740), (224, 905659785), (238, 852385680), (240, 845282466), (243, 834846880), (252, 805030920), (255, 795559968), (269, 754155360), (270, 751362192), (272, 745837470), (280, 724527828), (288, 704402055), (306, 662966640), (315, 644024736), (324, 626135160), (326, 622293840), (336, 603773190), (340, 596669976), (357, 568257120), (360, 563521644), (378, 536687280), (405, 500908128), (408, 497224980), (420, 483018552), (432, 469601370), (459, 441977760), (476, 426192840), (480, 422641233), (486, 417423440), (489, 414862560), (504, 402515460), (510, 397779984), (538, 377077680), (540, 375681096), (544, 372918735), (560, 362263914), (567, 357791520), (595, 340954272), (612, 331483320), (630, 322012368), (648, 313067580), (652, 311146920), (672, 301886595), (680, 298334988), (714, 284128560), (720, 281760822), (756, 268343640), (765, 265186656), (807, 251385120), (810, 250454064), (815, 248917536), (816, 248612490), (840, 241509276), (864, 234800685), (918, 220988880), (945, 214674912), (952, 213096420), (972, 208711720), (978, 207431280), (1008, 201257730), (1020, 198889992), (1071, 189419040), (1076, 188538840), (1080, 187840548), (1120, 181131957), (1134, 178895760), (1141, 177798240), (1190, 170477136), (1215, 166969376), (1224, 165741660), (1260, 161006184), (1296, 156533790), (1304, 155573460), (1345, 150831072), (1360, 149167494), (1377, 147325920), (1428, 142064280), (1440, 140880411), (1467, 138287520), (1512, 134171820), (1530, 132593328), (1614, 125692560), (1620, 125227032), (1630, 124458768), (1632, 124306245), (1680, 120754638), (1701, 119263840), (1785, 113651424), (1836, 110494440), (1883, 107736480), (1890, 107337456), (1904, 106548210), (1944, 104355860), (1956, 103715640), (2016, 100628865), (2040, 99444996), (2142, 94709520), (2152, 94269420), (2160, 93920274), (2268, 89447880), (2282, 88899120), (2295, 88395552), (2380, 85238568), (2421, 83795040), (2430, 83484688), (2445, 82972512), (2448, 82870830), (2520, 80503092), (2592, 78266895), (2608, 77786730), (2690, 75415536), (2720, 74583747), (2754, 73662960), (2771, 73211040), (2835, 71558304), (2856, 71032140), (2934, 69143760), (3024, 67085910), (3060, 66296664), (3213, 63139680), (3228, 62846280), (3240, 62613516), (3260, 62229384), (3360, 60377319), (3402, 59631920), (3423, 59266080), (3570, 56825712), (3672, 55247220), (3766, 53868240), (3780, 53668728), (3808, 53274105), (3888, 52177930), (3912, 51857820), (4035, 50277024), (4080, 49722498), (4131, 49108640), (4284, 47354760), (4304, 47134710), (4320, 46960137), (4401, 46095840), (4536, 44723940), (4564, 44449560), (4573, 44362080), (4590, 44197776), (4760, 42619284), (4842, 41897520), (4860, 41742344), (4890, 41486256), (4896, 41435415), (5040, 40251546), (5216, 38893365), (5355, 37883808), (5380, 37707768), (5508, 36831480), (5542, 36605520), (5649, 35912160), (5670, 35779152), (5705, 35559648), (5712, 35516070), (5868, 34571880), (6048, 33542955), (6120, 33148332), (6426, 31569840), (6456, 31423140), (6480, 31306758), (6520, 31114692), (6804, 29815960), (6846, 29633040), (6885, 29465184), (7140, 28412856), (7263, 27931680), (7335, 27657504), (7344, 27623610), (7532, 26934120), (7560, 26834364), (7776, 26088965), (7824, 25928910), (8070, 25138512), (8160, 24861249), (8262, 24554320), (8313, 24403680), (8505, 23852768), (8568, 23677380), (8608, 23567355), (8802, 23047920), (9072, 22361970), (9128, 22224780), (9146, 22181040), (9180, 22098888), (9415, 21547296), (9520, 21309642), (9639, 21046560), (9684, 20948760), (9720, 20871172), (9780, 20743128), (10080, 20125773), (10269, 19755360), (10710, 18941904), (10760, 18853884), (11016, 18415740), (11084, 18302760), (11298, 17956080), (11340, 17889576), (11410, 17779824), (11424, 17758035), (11736, 17285940), (12105, 16759008), (12240, 16574166), (12852, 15784920), (12912, 15711570), (12960, 15653379), (13040, 15557346), (13203, 15365280), (13608, 14907980), (13692, 14816520), (13719, 14787360), (13770, 14732592), (13855, 14642208), (14280, 14206428), (14526, 13965840), (14670, 13828752), (14688, 13811805), (15064, 13467060), (15120, 13417182), (15648, 12964455), (16065, 12627936), (16140, 12569256), (16524, 12277160), (16626, 12201840), (16947, 11970720), (17010, 11926384), (17115, 11853216), (17136, 11838690), (17604, 11523960), (18144, 11180985), (18256, 11112390), (18292, 11090520), (18360, 11049444), (18830, 10773648), (19040, 10654821), (19278, 10523280), (19368, 10474380), (19397, 10458720), (19440, 10435586), (19560, 10371564), (20538, 9877680), (20655, 9821728), (21420, 9470952), (21520, 9426942), (21789, 9310560), (22005, 9219168), (22032, 9207870), (22168, 9151380), (22596, 8978040), (22680, 8944788), (22820, 8889912), (22865, 8872416), (23472, 8642970), (24210, 8379504), (24480, 8287083), (24939, 8134560), (25704, 7892460), (25824, 7855785), (26080, 7778673), (26406, 7682640), (27216, 7453990), (27384, 7408260), (27438, 7393680), (27540, 7366296), (27710, 7321104), (28245, 7182432), (28560, 7103214), (28917, 7015520), (29052, 6982920), (29340, 6914376), (30128, 6733530), (30240, 6708591), (30807, 6585120), (32011, 6337440), (32130, 6313968), (32280, 6284628), (33048, 6138580), (33252, 6100920), (33894, 5985360), (34020, 5963192), (34230, 5926608), (34272, 5919345), (35208, 5761980), (36315, 5586336), (36512, 5556195), (36584, 5545260), (36720, 5524722), (37660, 5386824), (38556, 5261640), (38736, 5237190), (38794, 5229360), (38880, 5217793), (39120, 5185782), (39609, 5121760), (41076, 4938840), (41157, 4929120), (41310, 4910864), (41565, 4880736), (42840, 4735476), (43040, 4713471), (43578, 4655280), (43847, 4626720), (44010, 4609584), (44064, 4603935), (44336, 4575690), (45192, 4489020), (45360, 4472394), (45640, 4444956), (45730, 4436208), (46944, 4321485), (48195, 4209312), (48420, 4189752), (49878, 4067280), (50841, 3990240), (51345, 3951072), (51408, 3946230), (52812, 3841320), (54432, 3726995), (54768, 3704130), (54876, 3696840), (55080, 3683148), (55420, 3660552), (56490, 3591216), (57120, 3551607), (57834, 3507760), (58104, 3491460), (58191, 3486240), (58680, 3457188), (60256, 3366765), (61614, 3292560), (64022, 3168720), (64260, 3156984), (64560, 3142314), (65367, 3103520), (66015, 3073056), (66096, 3069290), (66504, 3050460), (67788, 2992680), (68040, 2981596), (68460, 2963304), (68595, 2957472), (70416, 2880990), (72630, 2793168), (73168, 2772630), (73440, 2762361), (74817, 2711520), (75320, 2693412), (77112, 2630820), (77472, 2618595), (77588, 2614680), (78240, 2592891), (79218, 2560880), (82152, 2469420), (82314, 2464560), (82620, 2455432), (83130, 2440368), (84735, 2394144), (85680, 2367738), (87156, 2327640), (87694, 2313360), (88020, 2304792), (88672, 2287845), (90384, 2244510), (90720, 2236197), (91280, 2222478), (91460, 2218104), (92421, 2195040), (96033, 2112480), (96390, 2104656), (96840, 2094876), (96985, 2091744), (99756, 2033640), (101682, 1995120), (102690, 1975536), (102816, 1973115), (105624, 1920660), (108945, 1862112), (109536, 1852065), (109752, 1848420), (110160, 1841574), (110840, 1830276), (112980, 1795608), (115668, 1753880), (116208, 1745730), (116382, 1743120), (117360, 1728594), (123228, 1646280), (123471, 1643040), (124695, 1626912), (128044, 1584360), (128520, 1578492), (129120, 1571157), (130734, 1551760), (131541, 1542240), (132030, 1536528), (132192, 1534645), (133008, 1525230), (135576, 1496340), (136080, 1490798), (136920, 1481652), (137190, 1478736), (140832, 1440495), (144585, 1403104), (145260, 1396584), (146336, 1386315), (149634, 1355760), (150640, 1346706), (152523, 1330080), (154035, 1317024), (154224, 1315410), (155176, 1307340), (158436, 1280440), (160055, 1267488), (164304, 1234710), (164628, 1232280), (165240, 1227716), (166260, 1220184), (169470, 1197072), (171360, 1183869), (174312, 1163820), (174573, 1162080), (175388, 1156680), (176040, 1152396), (180768, 1122255), (182560, 1111239), (182920, 1109052), (184842, 1097520), (192066, 1056240), (192780, 1052328), (193680, 1047438), (193970, 1045872), (198045, 1024352), (199512, 1016820), (203364, 997560), (205380, 987768), (205785, 985824), (211248, 960330), (217890, 931056), (219235, 925344), (219504, 924210), (220320, 920787), (221680, 915138), (224451, 903840), (225960, 897804), (231336, 876940), (232416, 872865), (232764, 871560), (234720, 864297), (246456, 823140), (246942, 821520), (249390, 813456), (254205, 798048), (256088, 792180), (257040, 789246), (261468, 775880), (263082, 771120), (264060, 768264), (266016, 762615), (271152, 748170), (272160, 745399), (273840, 740826), (274380, 739368), (277263, 731680), (288099, 704160), (289170, 701552), (290520, 698292), (290955, 697248), (299268, 677880), (301280, 673353), (305046, 665040), (306929, 660960), (308070, 658512), (308448, 657705), (310352, 653670), (316872, 640220), (320110, 633744), (326835, 620704), (328608, 617355), (329256, 616140), (330480, 613858), (332520, 610092), (338940, 598536), (348624, 581910), (349146, 581040), (350776, 578340), (352080, 576198), (365840, 554526), (369684, 548760), (370413, 547680), (374085, 542304), (384132, 528120), (385560, 526164), (387360, 523719), (387940, 522936), (394623, 514080), (396090, 512176), (399024, 508410), (406728, 498780), (410760, 493884), (411570, 492912), (422496, 480165), (435780, 465528), (438470, 462672), (439008, 462105), (443360, 457569), (448902, 451920)]