20726667

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13627}}^1$

素因数の和:13659

約数の個数: 18

約数和(自身を含む): 32421012

約数和(自身を除く): 11694345

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13627, 40881, 122643, 177151, 531453, 1594359, 2302963, 6908889, 20726667]

約数ペア:

[(1, 20726667), (3, 6908889), (9, 2302963), (13, 1594359), (39, 531453), (117, 177151), (169, 122643), (507, 40881), (1521, 13627)]