20649218

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4877}}^1$

素因数の和:4981

約数の個数: 16

約数和(自身を含む): 32487480

約数和(自身を除く): 11838262

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 4877, 9754, 141433, 282866, 356021, 712042, 10324609, 20649218]

約数ペア:

[(1, 20649218), (2, 10324609), (29, 712042), (58, 356021), (73, 282866), (146, 141433), (2117, 9754), (4234, 4877)]