20055500

素因数分解:

$2^2\times 5^3\times {\mathrm{40111}}^1$

素因数の和:40130

約数の個数: 24

約数和(自身を含む): 43802304

約数和(自身を除く): 23746804

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40111, 80222, 160444, 200555, 401110, 802220, 1002775, 2005550, 4011100, 5013875, 10027750, 20055500]

約数ペア:

[(1, 20055500), (2, 10027750), (4, 5013875), (5, 4011100), (10, 2005550), (20, 1002775), (25, 802220), (50, 401110), (100, 200555), (125, 160444), (250, 80222), (500, 40111)]