20199485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1423}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 25837056

約数和(自身を除く): 5637571

約数列:

[1, 5, 17, 85, 167, 835, 1423, 2839, 7115, 14195, 24191, 120955, 237641, 1188205, 4039897, 20199485]

約数ペア:

[(1, 20199485), (5, 4039897), (17, 1188205), (85, 237641), (167, 120955), (835, 24191), (1423, 14195), (2839, 7115)]