20009001

素因数分解:

$3^1\times {\mathrm{1667}}^1\times {\mathrm{4001}}^1$

素因数の和:5671

約数の個数: 8

約数和(自身を含む): 26701344

約数和(自身を除く): 6692343

約数列:

[1, 3, 1667, 4001, 5001, 12003, 6669667, 20009001]

約数ペア:

[(1, 20009001), (3, 6669667), (1667, 12003), (4001, 5001)]