20673818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{85429}}^1$

素因数の和:85453

約数の個数: 12

約数和(自身を含む): 34086570

約数和(自身を除く): 13412752

約数列:

[1, 2, 11, 22, 121, 242, 85429, 170858, 939719, 1879438, 10336909, 20673818]

約数ペア:

[(1, 20673818), (2, 10336909), (11, 1879438), (22, 939719), (121, 170858), (242, 85429)]