20408016720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:811

約数の個数: 640

約数和(自身を含む): 82362728448

約数和(自身を除く): 61954711728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 43, 48, 52, 56, 60, 62, 65, 70, 78, 80, 84, 86, 91, 93, 104, 105, 112, 120, 124, 129, 130, 140, 155, 156, 168, 172, 182, 186, 195, 208, 210, 215, 217, 240, 248, 258, 260, 273, 280, 301, 310, 312, 336, 344, 364, 372, 390, 403, 420, 430, 434, 455, 465, 496, 516, 520, 546, 559, 560, 602, 620, 624, 645, 651, 688, 701, 728, 744, 780, 806, 840, 860, 868, 903, 910, 930, 1032, 1040, 1085, 1092, 1118, 1204, 1209, 1240, 1290, 1302, 1333, 1365, 1402, 1456, 1488, 1505, 1560, 1612, 1677, 1680, 1720, 1736, 1806, 1820, 1860, 2015, 2064, 2103, 2170, 2184, 2236, 2408, 2418, 2480, 2580, 2604, 2666, 2730, 2795, 2804, 2821, 3010, 3120, 3224, 3255, 3354, 3440, 3472, 3505, 3612, 3640, 3720, 3913, 3999, 4030, 4206, 4340, 4368, 4472, 4515, 4816, 4836, 4907, 5160, 5208, 5332, 5460, 5590, 5608, 5642, 6020, 6045, 6448, 6510, 6665, 6708, 7010, 7224, 7280, 7440, 7826, 7998, 8060, 8385, 8412, 8463, 8680, 8944, 9030, 9113, 9331, 9672, 9814, 10320, 10416, 10515, 10664, 10920, 11180, 11216, 11284, 11739, 12040, 12090, 13020, 13330, 13416, 14020, 14105, 14448, 14721, 15652, 15996, 16120, 16770, 16824, 16926, 17329, 17360, 18060, 18226, 18662, 19344, 19565, 19628, 19995, 21030, 21328, 21731, 21840, 22360, 22568, 23478, 24080, 24180, 24535, 26040, 26660, 26832, 27339, 27993, 28040, 28210, 29442, 30143, 31304, 31992, 32240, 33540, 33648, 33852, 34658, 36120, 36452, 37324, 39130, 39256, 39990, 42060, 42315, 43462, 44720, 45136, 45565, 46655, 46956, 48360, 49070, 51987, 52080, 53320, 54678, 55986, 56080, 56420, 58695, 58884, 60286, 62608, 63791, 63984, 65193, 67080, 67704, 69316, 72240, 72904, 73605, 74648, 78260, 78512, 79980, 84120, 84630, 86645, 86924, 90429, 91130, 93310, 93912, 96720, 98140, 103974, 106640, 108655, 109356, 111972, 112840, 117390, 117768, 120572, 121303, 127582, 130386, 134160, 135408, 136695, 138632, 139965, 145808, 147210, 149296, 150715, 152117, 156520, 159960, 168240, 169260, 173290, 173848, 180858, 182260, 186620, 187824, 191373, 196280, 207948, 211001, 217310, 218712, 223944, 225680, 234780, 235536, 241144, 242606, 255164, 259935, 260772, 273390, 277264, 279930, 282503, 294420, 301430, 304234, 313040, 318955, 319920, 325965, 338520, 346580, 347696, 361716, 363909, 364520, 373240, 382746, 391859, 392560, 415896, 422002, 434620, 437424, 447888, 452145, 456351, 469560, 482288, 485212, 510328, 519870, 521544, 546780, 559860, 565006, 588840, 602860, 606515, 608468, 633003, 637910, 651930, 677040, 693160, 723432, 727818, 729040, 746480, 760585, 765492, 783718, 831792, 844004, 847509, 869240, 904290, 912702, 934433, 939120, 956865, 970424, 1020656, 1039740, 1043088, 1055005, 1093560, 1119720, 1130012, 1175577, 1177680, 1205720, 1213030, 1216936, 1266006, 1275820, 1303860, 1386320, 1412515, 1446864, 1455636, 1521170, 1530984, 1567436, 1688008, 1695018, 1738480, 1808580, 1819545, 1825404, 1868866, 1913730, 1940848, 1959295, 1977521, 2079480, 2110010, 2187120, 2239440, 2260024, 2281755, 2351154, 2411440, 2426060, 2433872, 2532012, 2551640, 2607720, 2743013, 2803299, 2825030, 2911272, 3042340, 3061968, 3134872, 3165015, 3376016, 3390036, 3617160, 3639090, 3650808, 3737732, 3827460, 3918590, 3955042, 4158960, 4220020, 4237545, 4520048, 4563510, 4672165, 4702308, 4852120, 5064024, 5103280, 5215440, 5486026, 5606598, 5650060, 5822544, 5877885, 5932563, 6084680, 6269744, 6330030, 6541031, 6780072, 7234320, 7278180, 7301616, 7475464, 7654920, 7837180, 7910084, 8229039, 8440040, 8475090, 9127020, 9344330, 9404616, 9704240, 9887605, 10128048, 10972052, 11213196, 11300120, 11755770, 11865126, 12147629, 12169360, 12660060, 13082062, 13560144, 13715065, 14016495, 14556360, 14950928, 15309840, 15674360, 15820168, 16458078, 16880080, 16950180, 18254040, 18688660, 18809232, 19623093, 19775210, 21944104, 22426392, 22600240, 23511540, 23730252, 24295258, 25320120, 26164124, 27430130, 28032990, 29112720, 29662815, 31348720, 31640336, 32705155, 32916156, 33900360, 36442887, 36508080, 37377320, 39246186, 39550420, 41145195, 43888208, 44852784, 47023080, 47460504, 48590516, 50640240, 52328248, 54860260, 56065980, 59325630, 60738145, 65410310, 65832312, 67800720, 72885774, 74754640, 78492372, 79100840, 82290390, 85033403, 94046160, 94921008, 97181032, 98115465, 104656496, 109720520, 112131960, 118651260, 121476290, 130820620, 131664624, 145771548, 156984744, 158201680, 164580780, 170066806, 182214435, 194362064, 196230930, 219441040, 224263920, 237302520, 242952580, 255100209, 261641240, 291543096, 313969488, 329161560, 340133612, 364428870, 392461860, 425167015, 474605040, 485905160, 510200418, 523282480, 583086192, 658323120, 680267224, 728857740, 784923720, 850334030, 971810320, 1020400836, 1275501045, 1360534448, 1457715480, 1569847440, 1700668060, 2040801672, 2551002090, 2915430960, 3401336120, 4081603344, 5102004180, 6802672240, 10204008360, 20408016720]

約数ペア:

[(1, 20408016720), (2, 10204008360), (3, 6802672240), (4, 5102004180), (5, 4081603344), (6, 3401336120), (7, 2915430960), (8, 2551002090), (10, 2040801672), (12, 1700668060), (13, 1569847440), (14, 1457715480), (15, 1360534448), (16, 1275501045), (20, 1020400836), (21, 971810320), (24, 850334030), (26, 784923720), (28, 728857740), (30, 680267224), (31, 658323120), (35, 583086192), (39, 523282480), (40, 510200418), (42, 485905160), (43, 474605040), (48, 425167015), (52, 392461860), (56, 364428870), (60, 340133612), (62, 329161560), (65, 313969488), (70, 291543096), (78, 261641240), (80, 255100209), (84, 242952580), (86, 237302520), (91, 224263920), (93, 219441040), (104, 196230930), (105, 194362064), (112, 182214435), (120, 170066806), (124, 164580780), (129, 158201680), (130, 156984744), (140, 145771548), (155, 131664624), (156, 130820620), (168, 121476290), (172, 118651260), (182, 112131960), (186, 109720520), (195, 104656496), (208, 98115465), (210, 97181032), (215, 94921008), (217, 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