20984750

素因数分解:

$2^1\times 5^3\times {\mathrm{83939}}^1$

素因数の和:83956

約数の個数: 16

約数和(自身を含む): 39283920

約数和(自身を除く): 18299170

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 83939, 167878, 419695, 839390, 2098475, 4196950, 10492375, 20984750]

約数ペア:

[(1, 20984750), (2, 10492375), (5, 4196950), (10, 2098475), (25, 839390), (50, 419695), (125, 167878), (250, 83939)]