20512397540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60330581}}^1$

素因数の和:60330607

約数の個数: 24

約数和(自身を含む): 45609919992

約数和(自身を除く): 25097522452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60330581, 120661162, 241322324, 301652905, 603305810, 1025619877, 1206611620, 2051239754, 4102479508, 5128099385, 10256198770, 20512397540]

約数ペア:

[(1, 20512397540), (2, 10256198770), (4, 5128099385), (5, 4102479508), (10, 2051239754), (17, 1206611620), (20, 1025619877), (34, 603305810), (68, 301652905), (85, 241322324), (170, 120661162), (340, 60330581)]