20497521

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{56467}}^1$

素因数の和:56492

約数の個数: 12

約数和(自身を含む): 30040976

約数和(自身を除く): 9543455

約数列:

[1, 3, 11, 33, 121, 363, 56467, 169401, 621137, 1863411, 6832507, 20497521]

約数ペア:

[(1, 20497521), (3, 6832507), (11, 1863411), (33, 621137), (121, 169401), (363, 56467)]