12762762020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2051891}}^1$

素因数の和:2052211

約数の個数: 24

約数和(自身を含む): 26887992768

約数和(自身を除く): 14125230748

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 2051891, 4103782, 8207564, 10259455, 20518910, 41037820, 638138101, 1276276202, 2552552404, 3190690505, 6381381010, 12762762020]

約数ペア:

[(1, 12762762020), (2, 6381381010), (4, 3190690505), (5, 2552552404), (10, 1276276202), (20, 638138101), (311, 41037820), (622, 20518910), (1244, 10259455), (1555, 8207564), (3110, 4103782), (6220, 2051891)]