20243500

素因数分解:

$2^2\times 5^3\times {\mathrm{40487}}^1$

素因数の和:40506

約数の個数: 24

約数和(自身を含む): 44212896

約数和(自身を除く): 23969396

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40487, 80974, 161948, 202435, 404870, 809740, 1012175, 2024350, 4048700, 5060875, 10121750, 20243500]

約数ペア:

[(1, 20243500), (2, 10121750), (4, 5060875), (5, 4048700), (10, 2024350), (20, 1012175), (25, 809740), (50, 404870), (100, 202435), (125, 161948), (250, 80974), (500, 40487)]