201993860

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{6277}}^1$

素因数の和:7895

約数の個数: 24

約数和(自身を含む): 424518360

約数和(自身を除く): 222524500

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6277, 6436, 8045, 12554, 16090, 25108, 31385, 32180, 62770, 125540, 10099693, 20199386, 40398772, 50498465, 100996930, 201993860]

約数ペア:

[(1, 201993860), (2, 100996930), (4, 50498465), (5, 40398772), (10, 20199386), (20, 10099693), (1609, 125540), (3218, 62770), (6277, 32180), (6436, 31385), (8045, 25108), (12554, 16090)]