20213500

素因数分解:

$2^2\times 5^3\times {\mathrm{40427}}^1$

素因数の和:40446

約数の個数: 24

約数和(自身を含む): 44147376

約数和(自身を除く): 23933876

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40427, 80854, 161708, 202135, 404270, 808540, 1010675, 2021350, 4042700, 5053375, 10106750, 20213500]

約数ペア:

[(1, 20213500), (2, 10106750), (4, 5053375), (5, 4042700), (10, 2021350), (20, 1010675), (25, 808540), (50, 404270), (100, 202135), (125, 161708), (250, 80854), (500, 40427)]