20517282240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:369

約数の個数: 896

約数和(自身を含む): 86518333440

約数和(自身を除く): 66001051200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 32, 35, 38, 39, 40, 42, 47, 48, 52, 56, 57, 60, 64, 65, 70, 76, 78, 80, 84, 91, 94, 95, 96, 104, 105, 112, 114, 120, 130, 133, 140, 141, 152, 156, 160, 168, 182, 188, 190, 192, 195, 208, 210, 224, 228, 235, 240, 247, 260, 263, 266, 273, 280, 282, 285, 304, 312, 320, 329, 336, 364, 376, 380, 390, 399, 416, 420, 448, 455, 456, 470, 480, 494, 520, 526, 532, 546, 560, 564, 570, 608, 611, 624, 658, 665, 672, 705, 728, 741, 752, 760, 780, 789, 798, 832, 840, 893, 910, 912, 940, 960, 987, 988, 1040, 1052, 1064, 1092, 1120, 1128, 1140, 1216, 1222, 1235, 1248, 1315, 1316, 1330, 1344, 1365, 1410, 1456, 1482, 1504, 1520, 1560, 1578, 1596, 1645, 1680, 1729, 1786, 1820, 1824, 1833, 1841, 1880, 1974, 1976, 1995, 2080, 2104, 2128, 2184, 2240, 2256, 2280, 2444, 2470, 2496, 2630, 2632, 2660, 2679, 2730, 2820, 2912, 2964, 3008, 3040, 3055, 3120, 3156, 3192, 3290, 3360, 3419, 3458, 3572, 3640, 3648, 3666, 3682, 3705, 3760, 3945, 3948, 3952, 3990, 4160, 4208, 4256, 4277, 4368, 4465, 4512, 4560, 4888, 4935, 4940, 4997, 5187, 5260, 5264, 5320, 5358, 5460, 5523, 5640, 5824, 5928, 6080, 6110, 6240, 6251, 6312, 6384, 6580, 6720, 6838, 6916, 7144, 7280, 7332, 7364, 7410, 7520, 7890, 7896, 7904, 7980, 8416, 8512, 8554, 8645, 8736, 8930, 9024, 9120, 9165, 9205, 9776, 9870, 9880, 9994, 10257, 10374, 10520, 10528, 10640, 10716, 10920, 11046, 11280, 11609, 11856, 12220, 12361, 12480, 12502, 12624, 12768, 12831, 13160, 13395, 13676, 13832, 14288, 14560, 14664, 14728, 14820, 14991, 15040, 15780, 15792, 15808, 15960, 16832, 17095, 17108, 17290, 17472, 17860, 18240, 18330, 18410, 18753, 19552, 19740, 19760, 19988, 20514, 20748, 21040, 21056, 21280, 21385, 21432, 21840, 22092, 22560, 23218, 23712, 23933, 24440, 24722, 24985, 25004, 25248, 25536, 25662, 25935, 26320, 26790, 27352, 27615, 27664, 28576, 29120, 29328, 29456, 29640, 29982, 31255, 31560, 31584, 31920, 34190, 34216, 34580, 34827, 34979, 35720, 36660, 36820, 37083, 37506, 39104, 39480, 39520, 39976, 41028, 41496, 42080, 42560, 42770, 42864, 43680, 44184, 45120, 46436, 47424, 47866, 48880, 49444, 49970, 50008, 50496, 51285, 51324, 51870, 52640, 53580, 54704, 55230, 55328, 57152, 58045, 58656, 58912, 59280, 59964, 61805, 62510, 63120, 63168, 63840, 64155, 64961, 68380, 68432, 69160, 69654, 69958, 71440, 71799, 73320, 73640, 74166, 74955, 75012, 78960, 79040, 79952, 81263, 82056, 82992, 84160, 85540, 85728, 86527, 87360, 88368, 92872, 93765, 95732, 97760, 98888, 99940, 100016, 102570, 102648, 103740, 104937, 105280, 107160, 109408, 110460, 110656, 116090, 117312, 117824, 118560, 119665, 119928, 123610, 125020, 126240, 127680, 128310, 129922, 136760, 136864, 138320, 139308, 139916, 142880, 143598, 146640, 147280, 148332, 149910, 150024, 157920, 159904, 160693, 162526, 164112, 165984, 171080, 171456, 173054, 174135, 174895, 176736, 185415, 185744, 187530, 191464, 194883, 195520, 197776, 199880, 200032, 205140, 205296, 207480, 209874, 214320, 218816, 220920, 232180, 234859, 237120, 239330, 239856, 243789, 247220, 250040, 252480, 256620, 259581, 259844, 273520, 273728, 276640, 278616, 279832, 285760, 287196, 293280, 294560, 296664, 299820, 300048, 315840, 319808, 321386, 324805, 325052, 328224, 331968, 342160, 346108, 348270, 349790, 353472, 358995, 370830, 371488, 375060, 382928, 389766, 395552, 399760, 400064, 406315, 410280, 410592, 414960, 419748, 428640, 432635, 441840, 454727, 464360, 469718, 478660, 479712, 482079, 487578, 494440, 500080, 513240, 519162, 519688, 524685, 547040, 553280, 557232, 559664, 574392, 586560, 589120, 593328, 599640, 600096, 642772, 649610, 650104, 656448, 684320, 692216, 696540, 699580, 704577, 717990, 741660, 742976, 750120, 765856, 779532, 791104, 799520, 803465, 812630, 820560, 821184, 829920, 839496, 857280, 865270, 883680, 909454, 928720, 939436, 957320, 959424, 964158, 974415, 975156, 988880, 1000160, 1026480, 1038324, 1039376, 1049370, 1094080, 1114464, 1119328, 1124851, 1148784, 1174295, 1186656, 1199280, 1200192, 1218945, 1285544, 1297905, 1299220, 1300208, 1364181, 1368640, 1384432, 1393080, 1399160, 1409154, 1435980, 1483320, 1500240, 1531712, 1559064, 1599040, 1606930, 1625260, 1641120, 1644013, 1659840, 1678992, 1730540, 1767360, 1818908, 1857440, 1878872, 1914640, 1928316, 1948830, 1950312, 1977760, 2000320, 2052960, 2076648, 2078752, 2098740, 2228928, 2238656, 2249702, 2273635, 2297568, 2348590, 2373312, 2398560, 2410395, 2437890, 2571088, 2595810, 2598440, 2600416, 2728362, 2768864, 2786160, 2798320, 2818308, 2871960, 2966640, 3000480, 3053167, 3118128, 3213860, 3250520, 3282240, 3288026, 3357984, 3374553, 3461080, 3522885, 3637816, 3714880, 3757744, 3829280, 3856632, 3897660, 3900624, 3955520, 4105920, 4153296, 4157504, 4197480, 4499404, 4547270, 4595136, 4697180, 4797120, 4820790, 4875780, 4932039, 5142176, 5191620, 5196880, 5200832, 5456724, 5537728, 5572320, 5596640, 5624255, 5636616, 5743920, 5933280, 6000960, 6106334, 6236256, 6427720, 6501040, 6576052, 6715968, 6749106, 6820905, 6922160, 7045770, 7275632, 7515488, 7658560, 7713264, 7795320, 7801248, 8220065, 8306592, 8394960, 8998808, 9094540, 9159501, 9394360, 9641580, 9751560, 9864078, 10284352, 10383240, 10393760, 10913448, 11144640, 11193280, 11248510, 11273232, 11487840, 11866560, 12212668, 12472512, 12855440, 13002080, 13152104, 13498212, 13641810, 13844320, 14091540, 14551264, 15030976, 15265835, 15426528, 15590640, 15602496, 16440130, 16613184, 16789920, 16872765, 17997616, 18189080, 18319002, 18788720, 19283160, 19503120, 19728156, 20766480, 20787520, 21372169, 21826896, 22497020, 22546464, 22975680, 24425336, 24660195, 25710880, 26004160, 26304208, 26996424, 27283620, 27688640, 28183080, 29102528, 30531670, 30853056, 31181280, 32880260, 33579840, 33745530, 35995232, 36378160, 36638004, 37577440, 38566320, 39006240, 39456312, 41532960, 42744338, 43653792, 44994040, 45092928, 45797505, 48850672, 49320390, 51421760, 52608416, 53992848, 54567240, 56366160, 61063340, 62362560, 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約数ペア:

[(1, 20517282240), (2, 10258641120), (3, 6839094080), (4, 5129320560), (5, 4103456448), (6, 3419547040), (7, 2931040320), (8, 2564660280), (10, 2051728224), (12, 1709773520), (13, 1578252480), (14, 1465520160), (15, 1367818816), (16, 1282330140), (19, 1079856960), (20, 1025864112), (21, 977013440), (24, 854886760), (26, 789126240), (28, 732760080), (30, 683909408), (32, 641165070), (35, 586208064), (38, 539928480), (39, 526084160), (40, 512932056), (42, 488506720), (47, 436537920), (48, 427443380), (52, 394563120), (56, 366380040), (57, 359952320), (60, 341954704), (64, 320582535), (65, 315650496), (70, 293104032), (76, 269964240), (78, 263042080), (80, 256466028), (84, 244253360), (91, 225464640), (94, 218268960), (95, 215971392), (96, 213721690), (104, 197281560), (105, 195402688), (112, 183190020), (114, 179976160), (120, 170977352), (130, 157825248), (133, 154265280), (140, 146552016), (141, 145512640), (152, 134982120), (156, 131521040), (160, 128233014), (168, 122126680), (182, 112732320), (188, 109134480), (190, 107985696), (192, 106860845), (195, 105216832), (208, 98640780), (210, 97701344), (224, 91595010), (228, 89988080), (235, 87307584), (240, 85488676), (247, 83065920), (260, 78912624), (263, 78012480), (266, 77132640), (273, 75154880), (280, 73276008), (282, 72756320), (285, 71990464), (304, 67491060), (312, 65760520), (320, 64116507), (329, 62362560), (336, 61063340), (364, 56366160), (376, 54567240), (380, 53992848), (390, 52608416), (399, 51421760), (416, 49320390), (420, 48850672), (448, 45797505), (455, 45092928), (456, 44994040), (470, 43653792), (480, 42744338), (494, 41532960), (520, 39456312), (526, 39006240), (532, 38566320), (546, 37577440), (560, 36638004), (564, 36378160), (570, 35995232), (608, 33745530), (611, 33579840), (624, 32880260), (658, 31181280), (665, 30853056), (672, 30531670), (705, 29102528), (728, 28183080), (741, 27688640), (752, 27283620), (760, 26996424), (780, 26304208), (789, 26004160), (798, 25710880), (832, 24660195), (840, 24425336), (893, 22975680), (910, 22546464), (912, 22497020), (940, 21826896), (960, 21372169), (987, 20787520), (988, 20766480), (1040, 19728156), (1052, 19503120), (1064, 19283160), (1092, 18788720), (1120, 18319002), (1128, 18189080), (1140, 17997616), (1216, 16872765), (1222, 16789920), (1235, 16613184), (1248, 16440130), (1315, 15602496), (1316, 15590640), (1330, 15426528), (1344, 15265835), (1365, 15030976), (1410, 14551264), (1456, 14091540), (1482, 13844320), (1504, 13641810), (1520, 13498212), (1560, 13152104), (1578, 13002080), (1596, 12855440), (1645, 12472512), (1680, 12212668), (1729, 11866560), (1786, 11487840), (1820, 11273232), (1824, 11248510), (1833, 11193280), (1841, 11144640), (1880, 10913448), (1974, 10393760), (1976, 10383240), (1995, 10284352), (2080, 9864078), (2104, 9751560), (2128, 9641580), (2184, 9394360), (2240, 9159501), (2256, 9094540), (2280, 8998808), (2444, 8394960), (2470, 8306592), (2496, 8220065), (2630, 7801248), (2632, 7795320), (2660, 7713264), (2679, 7658560), (2730, 7515488), (2820, 7275632), (2912, 7045770), (2964, 6922160), (3008, 6820905), (3040, 6749106), (3055, 6715968), (3120, 6576052), (3156, 6501040), (3192, 6427720), (3290, 6236256), (3360, 6106334), (3419, 6000960), (3458, 5933280), (3572, 5743920), (3640, 5636616), (3648, 5624255), (3666, 5596640), (3682, 5572320), (3705, 5537728), (3760, 5456724), (3945, 5200832), (3948, 5196880), (3952, 5191620), (3990, 5142176), (4160, 4932039), (4208, 4875780), (4256, 4820790), (4277, 4797120), (4368, 4697180), (4465, 4595136), (4512, 4547270), (4560, 4499404), (4888, 4197480), (4935, 4157504), (4940, 4153296), (4997, 4105920), (5187, 3955520), (5260, 3900624), (5264, 3897660), (5320, 3856632), (5358, 3829280), (5460, 3757744), (5523, 3714880), (5640, 3637816), (5824, 3522885), (5928, 3461080), (6080, 3374553), (6110, 3357984), (6240, 3288026), (6251, 3282240), (6312, 3250520), (6384, 3213860), (6580, 3118128), (6720, 3053167), (6838, 3000480), (6916, 2966640), (7144, 2871960), (7280, 2818308), (7332, 2798320), (7364, 2786160), (7410, 2768864), (7520, 2728362), (7890, 2600416), (7896, 2598440), (7904, 2595810), (7980, 2571088), (8416, 2437890), (8512, 2410395), (8554, 2398560), (8645, 2373312), (8736, 2348590), (8930, 2297568), (9024, 2273635), (9120, 2249702), (9165, 2238656), (9205, 2228928), (9776, 2098740), (9870, 2078752), (9880, 2076648), (9994, 2052960), (10257, 2000320), (10374, 1977760), (10520, 1950312), (10528, 1948830), (10640, 1928316), (10716, 1914640), (10920, 1878872), (11046, 1857440), (11280, 1818908), (11609, 1767360), (11856, 1730540), (12220, 1678992), (12361, 1659840), (12480, 1644013), (12502, 1641120), (12624, 1625260), (12768, 1606930), (12831, 1599040), (13160, 1559064), (13395, 1531712), (13676, 1500240), (13832, 1483320), (14288, 1435980), (14560, 1409154), (14664, 1399160), (14728, 1393080), (14820, 1384432), (14991, 1368640), (15040, 1364181), (15780, 1300208), (15792, 1299220), (15808, 1297905), (15960, 1285544), (16832, 1218945), (17095, 1200192), (17108, 1199280), (17290, 1186656), (17472, 1174295), (17860, 1148784), (18240, 1124851), (18330, 1119328), (18410, 1114464), (18753, 1094080), (19552, 1049370), (19740, 1039376), (19760, 1038324), (19988, 1026480), (20514, 1000160), (20748, 988880), (21040, 975156), (21056, 974415), (21280, 964158), (21385, 959424), (21432, 957320), (21840, 939436), (22092, 928720), (22560, 909454), (23218, 883680), (23712, 865270), (23933, 857280), (24440, 839496), (24722, 829920), (24985, 821184), (25004, 820560), (25248, 812630), (25536, 803465), (25662, 799520), (25935, 791104), (26320, 779532), (26790, 765856), (27352, 750120), (27615, 742976), (27664, 741660), (28576, 717990), (29120, 704577), (29328, 699580), (29456, 696540), (29640, 692216), (29982, 684320), (31255, 656448), (31560, 650104), (31584, 649610), (31920, 642772), (34190, 600096), (34216, 599640), (34580, 593328), (34827, 589120), (34979, 586560), (35720, 574392), (36660, 559664), (36820, 557232), (37083, 553280), (37506, 547040), (39104, 524685), (39480, 519688), (39520, 519162), (39976, 513240), (41028, 500080), (41496, 494440), (42080, 487578), (42560, 482079), (42770, 479712), (42864, 478660), (43680, 469718), (44184, 464360), (45120, 454727), (46436, 441840), (47424, 432635), (47866, 428640), (48880, 419748), (49444, 414960), (49970, 410592), (50008, 410280), (50496, 406315), (51285, 400064), (51324, 399760), (51870, 395552), (52640, 389766), (53580, 382928), (54704, 375060), (55230, 371488), (55328, 370830), (57152, 358995), (58045, 353472), (58656, 349790), (58912, 348270), (59280, 346108), (59964, 342160), (61805, 331968), (62510, 328224), (63120, 325052), (63168, 324805), (63840, 321386), (64155, 319808), (64961, 315840), (68380, 300048), (68432, 299820), (69160, 296664), (69654, 294560), (69958, 293280), (71440, 287196), (71799, 285760), (73320, 279832), (73640, 278616), (74166, 276640), (74955, 273728), (75012, 273520), (78960, 259844), (79040, 259581), (79952, 256620), (81263, 252480), (82056, 250040), (82992, 247220), (84160, 243789), (85540, 239856), (85728, 239330), (86527, 237120), (87360, 234859), (88368, 232180), (92872, 220920), (93765, 218816), (95732, 214320), (97760, 209874), (98888, 207480), (99940, 205296), (100016, 205140), (102570, 200032), (102648, 199880), (103740, 197776), (104937, 195520), (105280, 194883), (107160, 191464), (109408, 187530), (110460, 185744), (110656, 185415), (116090, 176736), (117312, 174895), (117824, 174135), (118560, 173054), (119665, 171456), (119928, 171080), (123610, 165984), (125020, 164112), (126240, 162526), (127680, 160693), (128310, 159904), (129922, 157920), (136760, 150024), (136864, 149910), (138320, 148332), (139308, 147280), (139916, 146640), (142880, 143598)]