20378200

素因数分解:

$2^3\times 5^2\times {\mathrm{101891}}^1$

素因数の和:101907

約数の個数: 24

約数和(自身を含む): 47379780

約数和(自身を除く): 27001580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 101891, 203782, 407564, 509455, 815128, 1018910, 2037820, 2547275, 4075640, 5094550, 10189100, 20378200]

約数ペア:

[(1, 20378200), (2, 10189100), (4, 5094550), (5, 4075640), (8, 2547275), (10, 2037820), (20, 1018910), (25, 815128), (40, 509455), (50, 407564), (100, 203782), (200, 101891)]