20188660

素因数分解:

$2^2\times 5^1\times {\mathrm{1009433}}^1$

素因数の和:1009442

約数の個数: 12

約数和(自身を含む): 42396228

約数和(自身を除く): 22207568

約数列:

[1, 2, 4, 5, 10, 20, 1009433, 2018866, 4037732, 5047165, 10094330, 20188660]

約数ペア:

[(1, 20188660), (2, 10094330), (4, 5047165), (5, 4037732), (10, 2018866), (20, 1009433)]