20128329

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1933}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 31678920

約数和(自身を除く): 11550591

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 1933, 3471, 5799, 10413, 17397, 25129, 75387, 172037, 226161, 516111, 1548333, 2236481, 6709443, 20128329]

約数ペア:

[(1, 20128329), (3, 6709443), (9, 2236481), (13, 1548333), (39, 516111), (89, 226161), (117, 172037), (267, 75387), (801, 25129), (1157, 17397), (1933, 10413), (3471, 5799)]