20455310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49891}}^1$

素因数の和:49939

約数の個数: 16

約数和(自身を含む): 37718352

約数和(自身を除く): 17263042

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49891, 99782, 249455, 498910, 2045531, 4091062, 10227655, 20455310]

約数ペア:

[(1, 20455310), (2, 10227655), (5, 4091062), (10, 2045531), (41, 498910), (82, 249455), (205, 99782), (410, 49891)]