20810456

素因数分解:

$2^3\times {\mathrm{277}}^1\times {\mathrm{9391}}^1$

素因数の和:9674

約数の個数: 16

約数和(自身を含む): 39164640

約数和(自身を除く): 18354184

約数列:

[1, 2, 4, 8, 277, 554, 1108, 2216, 9391, 18782, 37564, 75128, 2601307, 5202614, 10405228, 20810456]

約数ペア:

[(1, 20810456), (2, 10405228), (4, 5202614), (8, 2601307), (277, 75128), (554, 37564), (1108, 18782), (2216, 9391)]