20553800

素因数分解:

$2^3\times 5^2\times {\mathrm{102769}}^1$

素因数の和:102785

約数の個数: 24

約数和(自身を含む): 47788050

約数和(自身を除く): 27234250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102769, 205538, 411076, 513845, 822152, 1027690, 2055380, 2569225, 4110760, 5138450, 10276900, 20553800]

約数ペア:

[(1, 20553800), (2, 10276900), (4, 5138450), (5, 4110760), (8, 2569225), (10, 2055380), (20, 1027690), (25, 822152), (40, 513845), (50, 411076), (100, 205538), (200, 102769)]