20079700

素因数分解:

$2^2\times 5^2\times {\mathrm{200797}}^1$

素因数の和:200811

約数の個数: 18

約数和(自身を含む): 43573166

約数和(自身を除く): 23493466

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 200797, 401594, 803188, 1003985, 2007970, 4015940, 5019925, 10039850, 20079700]

約数ペア:

[(1, 20079700), (2, 10039850), (4, 5019925), (5, 4015940), (10, 2007970), (20, 1003985), (25, 803188), (50, 401594), (100, 200797)]