20644492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{469193}}^1$

素因数の和:469208

約数の個数: 12

約数和(自身を含む): 39412296

約数和(自身を除く): 18767804

約数列:

[1, 2, 4, 11, 22, 44, 469193, 938386, 1876772, 5161123, 10322246, 20644492]

約数ペア:

[(1, 20644492), (2, 10322246), (4, 5161123), (11, 1876772), (22, 938386), (44, 469193)]