20178568

素因数分解:

$2^3\times {\mathrm{853}}^1\times {\mathrm{2957}}^1$

素因数の和:3816

約数の個数: 16

約数和(自身を含む): 37891980

約数和(自身を除く): 17713412

約数列:

[1, 2, 4, 8, 853, 1706, 2957, 3412, 5914, 6824, 11828, 23656, 2522321, 5044642, 10089284, 20178568]

約数ペア:

[(1, 20178568), (2, 10089284), (4, 5044642), (8, 2522321), (853, 23656), (1706, 11828), (2957, 6824), (3412, 5914)]