20635528

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{269}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19281272

約数列:

[1, 2, 4, 8, 43, 86, 172, 223, 269, 344, 446, 538, 892, 1076, 1784, 2152, 9589, 11567, 19178, 23134, 38356, 46268, 59987, 76712, 92536, 119974, 239948, 479896, 2579441, 5158882, 10317764, 20635528]

約数ペア:

[(1, 20635528), (2, 10317764), (4, 5158882), (8, 2579441), (43, 479896), (86, 239948), (172, 119974), (223, 92536), (269, 76712), (344, 59987), (446, 46268), (538, 38356), (892, 23134), (1076, 19178), (1784, 11567), (2152, 9589)]