20385963

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{1031}}^1$

素因数の和:1076

約数の個数: 24

約数和(自身を含む): 31930080

約数和(自身を除く): 11544117

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1031, 1521, 2197, 3093, 6591, 9279, 13403, 19773, 40209, 120627, 174239, 522717, 1568151, 2265107, 6795321, 20385963]

約数ペア:

[(1, 20385963), (3, 6795321), (9, 2265107), (13, 1568151), (39, 522717), (117, 174239), (169, 120627), (507, 40209), (1031, 19773), (1521, 13403), (2197, 9279), (3093, 6591)]