20401359

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5471}}^1$

素因数の和:5598

約数の個数: 16

約数和(自身を含む): 29942784

約数和(自身を除く): 9541425

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5471, 16413, 60181, 180543, 618223, 1854669, 6800453, 20401359]

約数ペア:

[(1, 20401359), (3, 6800453), (11, 1854669), (33, 618223), (113, 180543), (339, 60181), (1243, 16413), (3729, 5471)]