20642204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{469141}}^1$

素因数の和:469156

約数の個数: 12

約数和(自身を含む): 39407928

約数和(自身を除く): 18765724

約数列:

[1, 2, 4, 11, 22, 44, 469141, 938282, 1876564, 5160551, 10321102, 20642204]

約数ペア:

[(1, 20642204), (2, 10321102), (4, 5160551), (11, 1876564), (22, 938282), (44, 469141)]