20396962

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 31122432

約数和(自身を除く): 10725470

約数列:

[1, 2, 127, 131, 254, 262, 613, 1226, 16637, 33274, 77851, 80303, 155702, 160606, 10198481, 20396962]

約数ペア:

[(1, 20396962), (2, 10198481), (127, 160606), (131, 155702), (254, 80303), (262, 77851), (613, 33274), (1226, 16637)]