20116359

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31481}}^1$

素因数の和:31558

約数の個数: 12

約数和(自身を含む): 29467152

約数和(自身を除く): 9350793

約数列:

[1, 3, 9, 71, 213, 639, 31481, 94443, 283329, 2235151, 6705453, 20116359]

約数ペア:

[(1, 20116359), (3, 6705453), (9, 2235151), (71, 283329), (213, 94443), (639, 31481)]