20196642781

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3531499}}^1$

素因数の和:3531568

約数の個数: 16

約数和(自身を含む): 24861760000

約数和(自身を除く): 4665117219

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 3531499, 24720493, 67098481, 151854457, 469689367, 1062981199, 2885234683, 20196642781]

約数ペア:

[(1, 20196642781), (7, 2885234683), (19, 1062981199), (43, 469689367), (133, 151854457), (301, 67098481), (817, 24720493), (5719, 3531499)]