20165882672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2620307}}^1$

素因数の和:2620365

約数の個数: 40

約数和(自身を含む): 43214119536

約数和(自身を除く): 23048236864

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 2620307, 5240614, 10481228, 20962456, 34063991, 41924912, 68127982, 96951359, 136255964, 193902718, 272511928, 387805436, 545023856, 775610872, 1260367667, 1551221744, 2520735334, 5041470668, 10082941336, 20165882672]

約数ペア:

[(1, 20165882672), (2, 10082941336), (4, 5041470668), (8, 2520735334), (13, 1551221744), (16, 1260367667), (26, 775610872), (37, 545023856), (52, 387805436), (74, 272511928), (104, 193902718), (148, 136255964), (208, 96951359), (296, 68127982), (481, 41924912), (592, 34063991), (962, 20962456), (1924, 10481228), (3848, 5240614), (7696, 2620307)]