20189954900

素因数分解:

$2^2\times 5^2\times {\mathrm{201899549}}^1$

素因数の和:201899563

約数の個数: 18

約数和(自身を含む): 43812202350

約数和(自身を除く): 23622247450

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201899549, 403799098, 807598196, 1009497745, 2018995490, 4037990980, 5047488725, 10094977450, 20189954900]

約数ペア:

[(1, 20189954900), (2, 10094977450), (4, 5047488725), (5, 4037990980), (10, 2018995490), (20, 1009497745), (25, 807598196), (50, 403799098), (100, 201899549)]