20204486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3881}}^1$

素因数の和:4039

約数の個数: 16

約数和(自身を含む): 32142960

約数和(自身を除く): 11938474

約数列:

[1, 2, 19, 38, 137, 274, 2603, 3881, 5206, 7762, 73739, 147478, 531697, 1063394, 10102243, 20204486]

約数ペア:

[(1, 20204486), (2, 10102243), (19, 1063394), (38, 531697), (137, 147478), (274, 73739), (2603, 7762), (3881, 5206)]