20076678440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{8741}}^1$

素因数の和:9403

約数の個数: 128

約数和(自身を含む): 55691435520

約数和(自身を除く): 35614757080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 631, 728, 910, 1262, 1820, 2524, 3155, 3640, 4417, 5048, 6310, 8203, 8741, 8834, 12620, 16406, 17482, 17668, 22085, 25240, 32812, 34964, 35336, 41015, 43705, 44170, 57421, 61187, 65624, 69928, 82030, 87410, 88340, 113633, 114842, 122374, 164060, 174820, 176680, 227266, 229684, 244748, 287105, 305935, 328120, 349640, 454532, 459368, 489496, 568165, 574210, 611870, 795431, 909064, 1136330, 1148420, 1223740, 1590862, 2272660, 2296840, 2447480, 3181724, 3977155, 4545320, 5515571, 6363448, 7954310, 11031142, 15908620, 22062284, 27577855, 31817240, 38608997, 44124568, 55155710, 71702423, 77217994, 110311420, 143404846, 154435988, 193044985, 220622840, 286809692, 308871976, 358512115, 386089970, 501916961, 573619384, 717024230, 772179940, 1003833922, 1434048460, 1544359880, 2007667844, 2509584805, 2868096920, 4015335688, 5019169610, 10038339220, 20076678440]

約数ペア:

[(1, 20076678440), (2, 10038339220), (4, 5019169610), (5, 4015335688), (7, 2868096920), (8, 2509584805), (10, 2007667844), (13, 1544359880), (14, 1434048460), (20, 1003833922), (26, 772179940), (28, 717024230), (35, 573619384), (40, 501916961), (52, 386089970), (56, 358512115), (65, 308871976), (70, 286809692), (91, 220622840), (104, 193044985), (130, 154435988), (140, 143404846), (182, 110311420), (260, 77217994), (280, 71702423), (364, 55155710), (455, 44124568), (520, 38608997), (631, 31817240), (728, 27577855), (910, 22062284), (1262, 15908620), (1820, 11031142), (2524, 7954310), (3155, 6363448), (3640, 5515571), (4417, 4545320), (5048, 3977155), (6310, 3181724), (8203, 2447480), (8741, 2296840), (8834, 2272660), (12620, 1590862), (16406, 1223740), (17482, 1148420), (17668, 1136330), (22085, 909064), (25240, 795431), (32812, 611870), (34964, 574210), (35336, 568165), (41015, 489496), (43705, 459368), (44170, 454532), (57421, 349640), (61187, 328120), (65624, 305935), (69928, 287105), (82030, 244748), (87410, 229684), (88340, 227266), (113633, 176680), (114842, 174820), (122374, 164060)]