20580500

素因数分解:

$2^2\times 5^3\times {\mathrm{41161}}^1$

素因数の和:41180

約数の個数: 24

約数和(自身を含む): 44948904

約数和(自身を除く): 24368404

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41161, 82322, 164644, 205805, 411610, 823220, 1029025, 2058050, 4116100, 5145125, 10290250, 20580500]

約数ペア:

[(1, 20580500), (2, 10290250), (4, 5145125), (5, 4116100), (10, 2058050), (20, 1029025), (25, 823220), (50, 411610), (100, 205805), (125, 164644), (250, 82322), (500, 41161)]