20526051

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 15326493

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 273, 299, 467, 483, 637, 897, 1127, 1401, 1911, 2093, 3269, 3381, 6071, 6279, 9807, 10741, 14651, 18213, 22883, 32223, 42497, 43953, 68649, 75187, 127491, 139633, 225561, 297479, 418899, 526309, 892437, 977431, 1578927, 2932293, 6842017, 20526051]

約数ペア:

[(1, 20526051), (3, 6842017), (7, 2932293), (13, 1578927), (21, 977431), (23, 892437), (39, 526309), (49, 418899), (69, 297479), (91, 225561), (147, 139633), (161, 127491), (273, 75187), (299, 68649), (467, 43953), (483, 42497), (637, 32223), (897, 22883), (1127, 18213), (1401, 14651), (1911, 10741), (2093, 9807), (3269, 6279), (3381, 6071)]