20588025

素因数分解:

$3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 34196224

約数和(自身を除く): 13608199

約数列:

[1, 3, 5, 15, 25, 75, 277, 831, 991, 1385, 2973, 4155, 4955, 6925, 14865, 20775, 24775, 74325, 274507, 823521, 1372535, 4117605, 6862675, 20588025]

約数ペア:

[(1, 20588025), (3, 6862675), (5, 4117605), (15, 1372535), (25, 823521), (75, 274507), (277, 74325), (831, 24775), (991, 20775), (1385, 14865), (2973, 6925), (4155, 4955)]