20943985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1951}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 26703360

約数和(自身を除く): 5759375

約数列:

[1, 5, 19, 95, 113, 565, 1951, 2147, 9755, 10735, 37069, 185345, 220463, 1102315, 4188797, 20943985]

約数ペア:

[(1, 20943985), (5, 4188797), (19, 1102315), (95, 220463), (113, 185345), (565, 37069), (1951, 10735), (2147, 9755)]