20848910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 38785824

約数和(自身を除く): 17936914

約数列:

[1, 2, 5, 10, 41, 82, 205, 211, 241, 410, 422, 482, 1055, 1205, 2110, 2410, 8651, 9881, 17302, 19762, 43255, 49405, 50851, 86510, 98810, 101702, 254255, 508510, 2084891, 4169782, 10424455, 20848910]

約数ペア:

[(1, 20848910), (2, 10424455), (5, 4169782), (10, 2084891), (41, 508510), (82, 254255), (205, 101702), (211, 98810), (241, 86510), (410, 50851), (422, 49405), (482, 43255), (1055, 19762), (1205, 17302), (2110, 9881), (2410, 8651)]