20158103

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 24000000

約数和(自身を除く): 3841897

約数列:

[1, 7, 29, 199, 203, 499, 1393, 3493, 5771, 14471, 40397, 99301, 101297, 695107, 2879729, 20158103]

約数ペア:

[(1, 20158103), (7, 2879729), (29, 695107), (199, 101297), (203, 99301), (499, 40397), (1393, 14471), (3493, 5771)]