20184097520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{53899}}^1$

素因数の和:54094

約数の個数: 80

約数和(自身を含む): 48763545600

約数和(自身を除く): 28579448080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 151, 155, 248, 302, 310, 496, 604, 620, 755, 1208, 1240, 1510, 2416, 2480, 3020, 4681, 6040, 9362, 12080, 18724, 23405, 37448, 46810, 53899, 74896, 93620, 107798, 187240, 215596, 269495, 374480, 431192, 538990, 862384, 1077980, 1670869, 2155960, 3341738, 4311920, 6683476, 8138749, 8354345, 13366952, 16277498, 16708690, 26733904, 32554996, 33417380, 40693745, 65109992, 66834760, 81387490, 130219984, 133669520, 162774980, 252301219, 325549960, 504602438, 651099920, 1009204876, 1261506095, 2018409752, 2523012190, 4036819504, 5046024380, 10092048760, 20184097520]

約数ペア:

[(1, 20184097520), (2, 10092048760), (4, 5046024380), (5, 4036819504), (8, 2523012190), (10, 2018409752), (16, 1261506095), (20, 1009204876), (31, 651099920), (40, 504602438), (62, 325549960), (80, 252301219), (124, 162774980), (151, 133669520), (155, 130219984), (248, 81387490), (302, 66834760), (310, 65109992), (496, 40693745), (604, 33417380), (620, 32554996), (755, 26733904), (1208, 16708690), (1240, 16277498), (1510, 13366952), (2416, 8354345), (2480, 8138749), (3020, 6683476), (4681, 4311920), (6040, 3341738), (9362, 2155960), (12080, 1670869), (18724, 1077980), (23405, 862384), (37448, 538990), (46810, 431192), (53899, 374480), (74896, 269495), (93620, 215596), (107798, 187240)]