20966842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42443}}^1$

素因数の和:42477

約数の個数: 16

約数和(自身を含む): 35652960

約数和(自身を除く): 14686118

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42443, 84886, 551759, 806417, 1103518, 1612834, 10483421, 20966842]

約数ペア:

[(1, 20966842), (2, 10483421), (13, 1612834), (19, 1103518), (26, 806417), (38, 551759), (247, 84886), (494, 42443)]