20173086740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16535317}}^1$

素因数の和:16535387

約数の個数: 24

約数和(自身を含む): 43057968072

約数和(自身を除く): 22884881332

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16535317, 33070634, 66141268, 82676585, 165353170, 330706340, 1008654337, 2017308674, 4034617348, 5043271685, 10086543370, 20173086740]

約数ペア:

[(1, 20173086740), (2, 10086543370), (4, 5043271685), (5, 4034617348), (10, 2017308674), (20, 1008654337), (61, 330706340), (122, 165353170), (244, 82676585), (305, 66141268), (610, 33070634), (1220, 16535317)]