20736404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3529}}^1$

素因数の和:3659

約数の個数: 24

約数和(自身を含む): 39437160

約数和(自身を除く): 18700756

約数列:

[1, 2, 4, 13, 26, 52, 113, 226, 452, 1469, 2938, 3529, 5876, 7058, 14116, 45877, 91754, 183508, 398777, 797554, 1595108, 5184101, 10368202, 20736404]

約数ペア:

[(1, 20736404), (2, 10368202), (4, 5184101), (13, 1595108), (26, 797554), (52, 398777), (113, 183508), (226, 91754), (452, 45877), (1469, 14116), (2938, 7058), (3529, 5876)]