20997804958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12053849}}^1$

素因数の和:12053931

約数の個数: 16

約数和(自身を含む): 34425795600

約数和(自身を除く): 13427990642

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12053849, 24107698, 156700037, 313400074, 807607883, 1615215766, 10498902479, 20997804958]

約数ペア:

[(1, 20997804958), (2, 10498902479), (13, 1615215766), (26, 807607883), (67, 313400074), (134, 156700037), (871, 24107698), (1742, 12053849)]