20075920

素因数分解:

$2^4\times 5^1\times {\mathrm{250949}}^1$

素因数の和:250962

約数の個数: 20

約数和(自身を含む): 46676700

約数和(自身を除く): 26600780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250949, 501898, 1003796, 1254745, 2007592, 2509490, 4015184, 5018980, 10037960, 20075920]

約数ペア:

[(1, 20075920), (2, 10037960), (4, 5018980), (5, 4015184), (8, 2509490), (10, 2007592), (16, 1254745), (20, 1003796), (40, 501898), (80, 250949)]