20942108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475957}}^1$

素因数の和:475972

約数の個数: 12

約数和(自身を含む): 39980472

約数和(自身を除く): 19038364

約数列:

[1, 2, 4, 11, 22, 44, 475957, 951914, 1903828, 5235527, 10471054, 20942108]

約数ペア:

[(1, 20942108), (2, 10471054), (4, 5235527), (11, 1903828), (22, 951914), (44, 475957)]