20002857

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4987}}^1$

素因数の和:5188

約数の個数: 16

約数和(自身を含む): 30646272

約数和(自身を除く): 10643415

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 4987, 14961, 34909, 104727, 952517, 2857551, 6667619, 20002857]

約数ペア:

[(1, 20002857), (3, 6667619), (7, 2857551), (21, 952517), (191, 104727), (573, 34909), (1337, 14961), (4011, 4987)]