11517620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8111}}^1$

素因数の和:8191

約数の個数: 24

約数和(自身を含む): 24530688

約数和(自身を除く): 13013068

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8111, 16222, 32444, 40555, 81110, 162220, 575881, 1151762, 2303524, 2879405, 5758810, 11517620]

約数ペア:

[(1, 11517620), (2, 5758810), (4, 2879405), (5, 2303524), (10, 1151762), (20, 575881), (71, 162220), (142, 81110), (284, 40555), (355, 32444), (710, 16222), (1420, 8111)]