20953828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32537}}^1$

素因数の和:32571

約数の個数: 24

約数和(自身を含む): 43731072

約数和(自身を除く): 22777244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32537, 65074, 130148, 227759, 455518, 748351, 911036, 1496702, 2993404, 5238457, 10476914, 20953828]

約数ペア:

[(1, 20953828), (2, 10476914), (4, 5238457), (7, 2993404), (14, 1496702), (23, 911036), (28, 748351), (46, 455518), (92, 227759), (161, 130148), (322, 65074), (644, 32537)]