20667225

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11981}}^1$

素因数の和:12017

約数の個数: 24

約数和(自身を含む): 35658432

約数和(自身を除く): 14991207

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11981, 35943, 59905, 179715, 275563, 299525, 826689, 898575, 1377815, 4133445, 6889075, 20667225]

約数ペア:

[(1, 20667225), (3, 6889075), (5, 4133445), (15, 1377815), (23, 898575), (25, 826689), (69, 299525), (75, 275563), (115, 179715), (345, 59905), (575, 35943), (1725, 11981)]