20823795

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1289}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 36223200

約数和(自身を除く): 15399405

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1289, 1795, 3231, 3867, 5385, 6445, 11601, 16155, 19335, 58005, 462751, 1388253, 2313755, 4164759, 6941265, 20823795]

約数ペア:

[(1, 20823795), (3, 6941265), (5, 4164759), (9, 2313755), (15, 1388253), (45, 462751), (359, 58005), (1077, 19335), (1289, 16155), (1795, 11601), (3231, 6445), (3867, 5385)]