20805500

素因数分解:

$2^2\times 5^3\times {\mathrm{41611}}^1$

素因数の和:41630

約数の個数: 24

約数和(自身を含む): 45440304

約数和(自身を除く): 24634804

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41611, 83222, 166444, 208055, 416110, 832220, 1040275, 2080550, 4161100, 5201375, 10402750, 20805500]

約数ペア:

[(1, 20805500), (2, 10402750), (4, 5201375), (5, 4161100), (10, 2080550), (20, 1040275), (25, 832220), (50, 416110), (100, 208055), (125, 166444), (250, 83222), (500, 41611)]