20534275

素因数分解:

$5^2\times {\mathrm{421}}^1\times {\mathrm{1951}}^1$

素因数の和:2382

約数の個数: 12

約数和(自身を含む): 25536064

約数和(自身を除く): 5001789

約数列:

[1, 5, 25, 421, 1951, 2105, 9755, 10525, 48775, 821371, 4106855, 20534275]

約数ペア:

[(1, 20534275), (5, 4106855), (25, 821371), (421, 48775), (1951, 10525), (2105, 9755)]