20451142366

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12515999}}^1$

素因数の和:12516063

約数の個数: 16

約数和(自身を含む): 33042240000

約数和(自身を除く): 12591097634

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12515999, 25031998, 237803981, 475607962, 538187957, 1076375914, 10225571183, 20451142366]

約数ペア:

[(1, 20451142366), (2, 10225571183), (19, 1076375914), (38, 538187957), (43, 475607962), (86, 237803981), (817, 25031998), (1634, 12515999)]