20215994

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 30925800

約数和(自身を除く): 10709806

約数列:

[1, 2, 89, 137, 178, 274, 829, 1658, 12193, 24386, 73781, 113573, 147562, 227146, 10107997, 20215994]

約数ペア:

[(1, 20215994), (2, 10107997), (89, 227146), (137, 147562), (178, 113573), (274, 73781), (829, 24386), (1658, 12193)]