20426180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60077}}^1$

素因数の和:60103

約数の個数: 24

約数和(自身を含む): 45418968

約数和(自身を除く): 24992788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60077, 120154, 240308, 300385, 600770, 1021309, 1201540, 2042618, 4085236, 5106545, 10213090, 20426180]

約数ペア:

[(1, 20426180), (2, 10213090), (4, 5106545), (5, 4085236), (10, 2042618), (17, 1201540), (20, 1021309), (34, 600770), (68, 300385), (85, 240308), (170, 120154), (340, 60077)]