20618818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22859}}^1$

素因数の和:22913

約数の個数: 16

約数和(自身を含む): 34564320

約数和(自身を除く): 13945502

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22859, 45718, 251449, 502898, 937219, 1874438, 10309409, 20618818]

約数ペア:

[(1, 20618818), (2, 10309409), (11, 1874438), (22, 937219), (41, 502898), (82, 251449), (451, 45718), (902, 22859)]