20918459520

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 1024

約数和(自身を含む): 90431078400

約数和(自身を除く): 69512618880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 54, 56, 60, 63, 64, 69, 70, 72, 73, 80, 84, 90, 92, 96, 103, 105, 108, 112, 115, 120, 126, 128, 135, 138, 140, 144, 146, 160, 161, 168, 180, 184, 189, 192, 206, 207, 210, 216, 219, 224, 230, 240, 252, 270, 276, 280, 288, 292, 309, 315, 320, 322, 336, 345, 360, 365, 368, 378, 384, 412, 414, 420, 432, 438, 448, 460, 480, 483, 504, 511, 515, 540, 552, 560, 576, 584, 618, 621, 630, 640, 644, 657, 672, 690, 720, 721, 730, 736, 756, 805, 824, 828, 840, 864, 876, 896, 920, 927, 945, 960, 966, 1008, 1022, 1030, 1035, 1080, 1095, 1104, 1120, 1152, 1168, 1236, 1242, 1260, 1288, 1314, 1344, 1380, 1440, 1442, 1449, 1460, 1472, 1512, 1533, 1545, 1610, 1648, 1656, 1679, 1680, 1728, 1752, 1840, 1854, 1890, 1920, 1932, 1971, 2016, 2044, 2060, 2070, 2160, 2163, 2190, 2208, 2240, 2336, 2369, 2415, 2472, 2484, 2520, 2555, 2576, 2628, 2688, 2760, 2781, 2880, 2884, 2898, 2920, 2944, 3024, 3066, 3090, 3105, 3220, 3285, 3296, 3312, 3358, 3360, 3456, 3504, 3605, 3680, 3708, 3780, 3864, 3942, 4032, 4088, 4120, 4140, 4320, 4326, 4347, 4380, 4416, 4480, 4599, 4635, 4672, 4738, 4830, 4944, 4968, 5037, 5040, 5110, 5152, 5256, 5520, 5562, 5760, 5768, 5796, 5840, 6048, 6132, 6180, 6210, 6440, 6489, 6570, 6592, 6624, 6716, 6720, 7008, 7107, 7210, 7245, 7360, 7416, 7519, 7560, 7665, 7728, 7884, 8064, 8176, 8240, 8280, 8395, 8640, 8652, 8694, 8760, 8832, 9198, 9270, 9344, 9476, 9660, 9855, 9888, 9936, 10074, 10080, 10220, 10304, 10512, 10815, 11040, 11124, 11536, 11592, 11680, 11753, 11845, 12096, 12264, 12360, 12420, 12880, 12978, 13140, 13184, 13248, 13432, 13440, 13797, 13905, 14016, 14214, 14420, 14490, 14720, 14832, 15038, 15111, 15120, 15330, 15456, 15768, 16352, 16480, 16560, 16583, 16790, 17280, 17304, 17388, 17520, 18396, 18540, 18952, 19320, 19467, 19710, 19776, 19872, 20148, 20160, 20440, 20608, 21024, 21321, 21630, 21735, 22080, 22248, 22557, 22995, 23072, 23184, 23360, 23506, 23690, 24192, 24528, 24720, 24840, 25185, 25760, 25956, 26280, 26496, 26864, 27594, 27810, 28032, 28428, 28840, 28980, 29664, 30076, 30222, 30240, 30660, 30912, 31536, 32445, 32704, 32960, 33120, 33166, 33580, 34608, 34776, 35040, 35259, 35535, 36792, 37080, 37595, 37904, 38640, 38934, 39420, 39552, 39744, 40296, 40320, 40880, 42048, 42642, 43260, 43470, 44160, 44496, 45114, 45333, 45990, 46144, 46368, 46720, 47012, 47380, 49056, 49440, 49680, 49749, 50370, 51520, 51912, 52560, 52633, 53728, 55188, 55620, 56856, 57680, 57960, 58765, 59328, 60152, 60444, 60480, 61320, 61824, 63072, 63963, 64890, 65408, 65920, 66240, 66332, 67160, 67671, 68985, 69216, 69552, 70080, 70518, 71070, 73584, 74160, 75190, 75555, 75808, 77280, 77868, 78840, 79488, 80592, 81760, 82915, 84096, 85284, 86520, 86940, 88992, 90228, 90666, 91980, 92288, 92736, 94024, 94760, 97335, 98112, 98880, 99360, 99498, 100740, 103040, 103824, 105120, 105266, 105777, 106605, 107456, 110376, 111240, 112785, 113712, 115360, 115920, 117530, 118656, 120304, 120888, 120960, 122640, 126144, 127926, 129780, 132480, 132664, 134320, 135342, 137970, 138432, 139104, 140160, 141036, 142140, 147168, 148320, 149247, 150380, 151110, 151616, 154560, 155736, 157680, 157899, 161184, 163520, 165830, 170568, 172937, 173040, 173880, 176295, 177984, 180456, 181332, 183960, 185472, 188048, 189520, 194670, 196224, 197760, 198720, 198996, 201480, 203013, 207648, 210240, 210532, 211554, 213210, 214912, 220752, 222480, 225570, 226665, 227424, 230720, 231840, 235060, 240608, 241776, 245280, 248745, 252288, 255852, 259560, 263165, 265328, 268640, 270684, 275940, 276864, 278208, 282072, 284280, 294336, 296640, 298494, 300760, 302220, 303232, 309120, 311472, 315360, 315798, 317331, 319815, 322368, 327040, 331660, 338355, 341136, 345874, 346080, 347760, 352590, 355968, 360912, 362664, 367920, 376096, 379040, 389340, 397440, 397992, 402960, 406026, 415296, 420480, 421064, 423108, 426420, 441504, 444960, 447741, 451140, 453330, 454848, 461440, 463680, 470120, 473697, 481216, 483552, 490560, 497490, 511704, 518811, 519120, 526330, 528885, 530656, 537280, 541368, 551880, 556416, 564144, 568560, 588672, 593280, 596988, 601520, 604440, 622944, 630720, 631596, 634662, 639630, 644736, 663320, 676710, 682272, 691748, 692160, 695520, 705180, 721824, 725328, 735840, 746235, 752192, 758080, 778680, 789495, 795984, 805920, 812052, 830592, 842128, 846216, 852840, 864685, 883008, 889920, 895482, 902280, 906660, 909696, 927360, 940240, 947394, 962432, 967104, 981120, 994980, 1015065, 1023408, 1037622, 1038240, 1052660, 1057770, 1061312, 1074560, 1082736, 1103760, 1128288, 1137120, 1193976, 1203040, 1208880, 1210559, 1245888, 1261440, 1263192, 1269324, 1279260, 1326640, 1353420, 1364544, 1383496, 1384320, 1391040, 1410360, 1421091, 1443648, 1450656, 1471680, 1492470, 1504384, 1516160, 1556433, 1557360, 1578990, 1586655, 1591968, 1611840, 1624104, 1684256, 1692432, 1705680, 1729370, 1766016, 1779840, 1790964, 1804560, 1813320, 1880480, 1894788, 1934208, 1989960, 2030130, 2046816, 2075244, 2076480, 2105320, 2115540, 2122624, 2165472, 2207520, 2238705, 2256576, 2274240, 2368485, 2387952, 2406080, 2417760, 2421118, 2491776, 2526384, 2538648, 2558520, 2594055, 2653280, 2706840, 2729088, 2766992, 2782080, 2820720, 2842182, 2887296, 2901312, 2943360, 2984940, 3112866, 3114720, 3157980, 3173310, 3183936, 3223680, 3248208, 3368512, 3384864, 3411360, 3458740, 3581928, 3609120, 3626640, 3631677, 3760960, 3789576, 3979920, 4060260, 4093632, 4150488, 4152960, 4210640, 4231080, 4330944, 4415040, 4477410, 4513152, 4548480, 4669299, 4736970, 4775904, 4812160, 4835520, 4842236, 5052768, 5077296, 5117040, 5188110, 5306560, 5413680, 5533984, 5641440, 5684364, 5802624, 5969880, 6052795, 6225732, 6229440, 6315960, 6346620, 6367872, 6496416, 6737024, 6769728, 6822720, 6917480, 7105455, 7163856, 7218240, 7253280, 7263354, 7521920, 7579152, 7782165, 7959840, 8120520, 8187264, 8300976, 8421280, 8462160, 8661888, 8830080, 8954820, 9338598, 9473940, 9551808, 9671040, 9684472, 10105536, 10154592, 10234080, 10376220, 10613120, 10827360, 10895031, 11067968, 11282880, 11368728, 11939760, 12105590, 12451464, 12458880, 12631920, 12693240, 12992832, 13539456, 13645440, 13834960, 14210910, 14327712, 14436480, 14506560, 14526708, 15158304, 15564330, 15919680, 16241040, 16601952, 16842560, 16924320, 17909640, 18158385, 18677196, 18947880, 19103616, 19368944, 20211072, 20309184, 20468160, 20752440, 21654720, 21790062, 22135936, 22565760, 22737456, 23346495, 23879520, 24211180, 24902928, 25263840, 25386480, 25985664, 27669920, 28421820, 28655424, 29013120, 29053416, 30316608, 31128660, 31839360, 32482080, 32685093, 33203904, 33685120, 33848640, 35819280, 36316770, 37354392, 37895760, 38737888, 40618368, 40936320, 41504880, 43309440, 43580124, 45474912, 46692990, 47759040, 48422360, 49805856, 50527680, 50772960, 54475155, 55339840, 56843640, 57310848, 58106832, 60633216, 62257320, 64964160, 65370186, 66407808, 67697280, 71638560, 72633540, 74708784, 75791520, 77475776, 83009760, 87160248, 90949824, 93385980, 95518080, 96844720, 99611712, 101055360, 101545920, 108950310, 110679680, 113687280, 116213664, 124514640, 129928320, 130740372, 143277120, 145267080, 149417568, 151583040, 154951552, 163425465, 166019520, 174320496, 181899648, 186771960, 193689440, 199223424, 203091840, 217900620, 227374560, 232427328, 249029280, 261480744, 286554240, 290534160, 298835136, 303166080, 326850930, 332039040, 348640992, 373543920, 387378880, 435801240, 454749120, 464854656, 498058560, 522961488, 581068320, 597670272, 653701860, 697281984, 747087840, 774757760, 871602480, 909498240, 996117120, 1045922976, 1162136640, 1307403720, 1394563968, 1494175680, 1743204960, 2091845952, 2324273280, 2614807440, 2988351360, 3486409920, 4183691904, 5229614880, 6972819840, 10459229760, 20918459520]

約数ペア:

[(1, 20918459520), (2, 10459229760), (3, 6972819840), (4, 5229614880), (5, 4183691904), (6, 3486409920), (7, 2988351360), (8, 2614807440), (9, 2324273280), (10, 2091845952), (12, 1743204960), (14, 1494175680), (15, 1394563968), (16, 1307403720), (18, 1162136640), (20, 1045922976), (21, 996117120), (23, 909498240), (24, 871602480), (27, 774757760), (28, 747087840), (30, 697281984), (32, 653701860), (35, 597670272), (36, 581068320), (40, 522961488), (42, 498058560), (45, 464854656), (46, 454749120), (48, 435801240), (54, 387378880), (56, 373543920), (60, 348640992), (63, 332039040), (64, 326850930), (69, 303166080), (70, 298835136), (72, 290534160), (73, 286554240), (80, 261480744), (84, 249029280), (90, 232427328), (92, 227374560), (96, 217900620), (103, 203091840), (105, 199223424), (108, 193689440), (112, 186771960), (115, 181899648), (120, 174320496), (126, 166019520), (128, 163425465), (135, 154951552), (138, 151583040), (140, 149417568), (144, 145267080), (146, 143277120), (160, 130740372), (161, 129928320), (168, 124514640), (180, 116213664), (184, 113687280), (189, 110679680), (192, 108950310), (206, 101545920), (207, 101055360), (210, 99611712), (216, 96844720), (219, 95518080), (224, 93385980), (230, 90949824), (240, 87160248), (252, 83009760), (270, 77475776), (276, 75791520), (280, 74708784), (288, 72633540), (292, 71638560), (309, 67697280), (315, 66407808), (320, 65370186), (322, 64964160), (336, 62257320), (345, 60633216), (360, 58106832), (365, 57310848), (368, 56843640), (378, 55339840), (384, 54475155), (412, 50772960), (414, 50527680), (420, 49805856), (432, 48422360), (438, 47759040), (448, 46692990), (460, 45474912), (480, 43580124), (483, 43309440), (504, 41504880), (511, 40936320), (515, 40618368), (540, 38737888), (552, 37895760), (560, 37354392), (576, 36316770), (584, 35819280), (618, 33848640), (621, 33685120), (630, 33203904), (640, 32685093), (644, 32482080), (657, 31839360), (672, 31128660), (690, 30316608), (720, 29053416), (721, 29013120), (730, 28655424), (736, 28421820), (756, 27669920), (805, 25985664), (824, 25386480), (828, 25263840), (840, 24902928), (864, 24211180), (876, 23879520), (896, 23346495), (920, 22737456), (927, 22565760), (945, 22135936), (960, 21790062), (966, 21654720), (1008, 20752440), (1022, 20468160), (1030, 20309184), (1035, 20211072), (1080, 19368944), (1095, 19103616), (1104, 18947880), (1120, 18677196), (1152, 18158385), (1168, 17909640), (1236, 16924320), (1242, 16842560), (1260, 16601952), (1288, 16241040), (1314, 15919680), (1344, 15564330), (1380, 15158304), (1440, 14526708), (1442, 14506560), (1449, 14436480), (1460, 14327712), (1472, 14210910), (1512, 13834960), (1533, 13645440), (1545, 13539456), (1610, 12992832), (1648, 12693240), (1656, 12631920), (1679, 12458880), (1680, 12451464), (1728, 12105590), (1752, 11939760), (1840, 11368728), (1854, 11282880), (1890, 11067968), (1920, 10895031), (1932, 10827360), (1971, 10613120), (2016, 10376220), (2044, 10234080), (2060, 10154592), (2070, 10105536), (2160, 9684472), (2163, 9671040), (2190, 9551808), (2208, 9473940), (2240, 9338598), (2336, 8954820), (2369, 8830080), (2415, 8661888), (2472, 8462160), (2484, 8421280), (2520, 8300976), (2555, 8187264), (2576, 8120520), (2628, 7959840), (2688, 7782165), (2760, 7579152), (2781, 7521920), (2880, 7263354), (2884, 7253280), (2898, 7218240), (2920, 7163856), (2944, 7105455), (3024, 6917480), (3066, 6822720), (3090, 6769728), (3105, 6737024), (3220, 6496416), (3285, 6367872), (3296, 6346620), (3312, 6315960), (3358, 6229440), (3360, 6225732), (3456, 6052795), (3504, 5969880), (3605, 5802624), (3680, 5684364), (3708, 5641440), (3780, 5533984), (3864, 5413680), (3942, 5306560), (4032, 5188110), (4088, 5117040), (4120, 5077296), (4140, 5052768), (4320, 4842236), (4326, 4835520), (4347, 4812160), (4380, 4775904), (4416, 4736970), (4480, 4669299), (4599, 4548480), (4635, 4513152), (4672, 4477410), (4738, 4415040), (4830, 4330944), (4944, 4231080), (4968, 4210640), (5037, 4152960), (5040, 4150488), (5110, 4093632), (5152, 4060260), (5256, 3979920), (5520, 3789576), (5562, 3760960), (5760, 3631677), (5768, 3626640), (5796, 3609120), (5840, 3581928), (6048, 3458740), (6132, 3411360), (6180, 3384864), (6210, 3368512), (6440, 3248208), (6489, 3223680), (6570, 3183936), (6592, 3173310), (6624, 3157980), (6716, 3114720), (6720, 3112866), (7008, 2984940), (7107, 2943360), (7210, 2901312), (7245, 2887296), (7360, 2842182), (7416, 2820720), (7519, 2782080), (7560, 2766992), (7665, 2729088), (7728, 2706840), (7884, 2653280), (8064, 2594055), (8176, 2558520), (8240, 2538648), (8280, 2526384), (8395, 2491776), (8640, 2421118), (8652, 2417760), (8694, 2406080), (8760, 2387952), (8832, 2368485), (9198, 2274240), (9270, 2256576), (9344, 2238705), (9476, 2207520), (9660, 2165472), (9855, 2122624), (9888, 2115540), (9936, 2105320), (10074, 2076480), (10080, 2075244), (10220, 2046816), (10304, 2030130), (10512, 1989960), (10815, 1934208), (11040, 1894788), (11124, 1880480), (11536, 1813320), (11592, 1804560), (11680, 1790964), (11753, 1779840), (11845, 1766016), (12096, 1729370), (12264, 1705680), (12360, 1692432), (12420, 1684256), (12880, 1624104), (12978, 1611840), (13140, 1591968), (13184, 1586655), (13248, 1578990), (13432, 1557360), (13440, 1556433), (13797, 1516160), (13905, 1504384), (14016, 1492470), (14214, 1471680), (14420, 1450656), (14490, 1443648), (14720, 1421091), (14832, 1410360), (15038, 1391040), (15111, 1384320), (15120, 1383496), (15330, 1364544), (15456, 1353420), (15768, 1326640), (16352, 1279260), (16480, 1269324), (16560, 1263192), (16583, 1261440), (16790, 1245888), (17280, 1210559), (17304, 1208880), (17388, 1203040), (17520, 1193976), (18396, 1137120), (18540, 1128288), (18952, 1103760), (19320, 1082736), (19467, 1074560), (19710, 1061312), (19776, 1057770), (19872, 1052660), (20148, 1038240), (20160, 1037622), (20440, 1023408), (20608, 1015065), (21024, 994980), (21321, 981120), (21630, 967104), (21735, 962432), (22080, 947394), (22248, 940240), (22557, 927360), (22995, 909696), (23072, 906660), (23184, 902280), (23360, 895482), (23506, 889920), (23690, 883008), (24192, 864685), (24528, 852840), (24720, 846216), (24840, 842128), (25185, 830592), (25760, 812052), (25956, 805920), (26280, 795984), (26496, 789495), (26864, 778680), (27594, 758080), (27810, 752192), (28032, 746235), (28428, 735840), (28840, 725328), (28980, 721824), (29664, 705180), (30076, 695520), (30222, 692160), (30240, 691748), (30660, 682272), (30912, 676710), (31536, 663320), (32445, 644736), (32704, 639630), (32960, 634662), (33120, 631596), (33166, 630720), (33580, 622944), (34608, 604440), (34776, 601520), (35040, 596988), (35259, 593280), (35535, 588672), (36792, 568560), (37080, 564144), (37595, 556416), (37904, 551880), (38640, 541368), (38934, 537280), (39420, 530656), (39552, 528885), (39744, 526330), (40296, 519120), (40320, 518811), (40880, 511704), (42048, 497490), (42642, 490560), (43260, 483552), (43470, 481216), (44160, 473697), (44496, 470120), (45114, 463680), (45333, 461440), (45990, 454848), (46144, 453330), (46368, 451140), (46720, 447741), (47012, 444960), (47380, 441504), (49056, 426420), (49440, 423108), (49680, 421064), (49749, 420480), (50370, 415296), (51520, 406026), (51912, 402960), (52560, 397992), (52633, 397440), (53728, 389340), (55188, 379040), (55620, 376096), (56856, 367920), (57680, 362664), (57960, 360912), (58765, 355968), (59328, 352590), (60152, 347760), (60444, 346080), (60480, 345874), (61320, 341136), (61824, 338355), (63072, 331660), (63963, 327040), (64890, 322368), (65408, 319815), (65920, 317331), (66240, 315798), (66332, 315360), (67160, 311472), (67671, 309120), (68985, 303232), (69216, 302220), (69552, 300760), (70080, 298494), (70518, 296640), (71070, 294336), (73584, 284280), (74160, 282072), (75190, 278208), (75555, 276864), (75808, 275940), (77280, 270684), (77868, 268640), (78840, 265328), (79488, 263165), (80592, 259560), (81760, 255852), (82915, 252288), (84096, 248745), (85284, 245280), (86520, 241776), (86940, 240608), (88992, 235060), (90228, 231840), (90666, 230720), (91980, 227424), (92288, 226665), (92736, 225570), (94024, 222480), (94760, 220752), (97335, 214912), (98112, 213210), (98880, 211554), (99360, 210532), (99498, 210240), (100740, 207648), (103040, 203013), (103824, 201480), (105120, 198996), (105266, 198720), (105777, 197760), (106605, 196224), (107456, 194670), (110376, 189520), (111240, 188048), (112785, 185472), (113712, 183960), (115360, 181332), (115920, 180456), (117530, 177984), (118656, 176295), (120304, 173880), (120888, 173040), (120960, 172937), (122640, 170568), (126144, 165830), (127926, 163520), (129780, 161184), (132480, 157899), (132664, 157680), (134320, 155736), (135342, 154560), (137970, 151616), (138432, 151110), (139104, 150380), (140160, 149247), (141036, 148320), (142140, 147168)]