20954900

素因数分解:

$2^2\times 5^2\times {\mathrm{209549}}^1$

素因数の和:209563

約数の個数: 18

約数和(自身を含む): 45472350

約数和(自身を除く): 24517450

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 209549, 419098, 838196, 1047745, 2095490, 4190980, 5238725, 10477450, 20954900]

約数ペア:

[(1, 20954900), (2, 10477450), (4, 5238725), (5, 4190980), (10, 2095490), (20, 1047745), (25, 838196), (50, 419098), (100, 209549)]