20643298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4871}}^1$

素因数の和:5049

約数の個数: 16

約数和(自身を含む): 33558336

約数和(自身を除く): 12915038

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4871, 9742, 63323, 126646, 793973, 1587946, 10321649, 20643298]

約数ペア:

[(1, 20643298), (2, 10321649), (13, 1587946), (26, 793973), (163, 126646), (326, 63323), (2119, 9742), (4238, 4871)]