20915066

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{997}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 33305256

約数和(自身を除く): 12390190

約数列:

[1, 2, 17, 34, 617, 997, 1234, 1994, 10489, 16949, 20978, 33898, 615149, 1230298, 10457533, 20915066]

約数ペア:

[(1, 20915066), (2, 10457533), (17, 1230298), (34, 615149), (617, 33898), (997, 20978), (1234, 16949), (1994, 10489)]