16972820

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1049}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 35721000

約数和(自身を除く): 18748180

約数列:

[1, 2, 4, 5, 10, 20, 809, 1049, 1618, 2098, 3236, 4045, 4196, 5245, 8090, 10490, 16180, 20980, 848641, 1697282, 3394564, 4243205, 8486410, 16972820]

約数ペア:

[(1, 16972820), (2, 8486410), (4, 4243205), (5, 3394564), (10, 1697282), (20, 848641), (809, 20980), (1049, 16180), (1618, 10490), (2098, 8090), (3236, 5245), (4045, 4196)]