20107400

素因数分解:

$2^3\times 5^2\times {\mathrm{100537}}^1$

素因数の和:100553

約数の個数: 24

約数和(自身を含む): 46750170

約数和(自身を除く): 26642770

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100537, 201074, 402148, 502685, 804296, 1005370, 2010740, 2513425, 4021480, 5026850, 10053700, 20107400]

約数ペア:

[(1, 20107400), (2, 10053700), (4, 5026850), (5, 4021480), (8, 2513425), (10, 2010740), (20, 1005370), (25, 804296), (40, 502685), (50, 402148), (100, 201074), (200, 100537)]