20011400

素因数分解:

$2^3\times 5^2\times {\mathrm{100057}}^1$

素因数の和:100073

約数の個数: 24

約数和(自身を含む): 46526970

約数和(自身を除く): 26515570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100057, 200114, 400228, 500285, 800456, 1000570, 2001140, 2501425, 4002280, 5002850, 10005700, 20011400]

約数ペア:

[(1, 20011400), (2, 10005700), (4, 5002850), (5, 4002280), (8, 2501425), (10, 2001140), (20, 1000570), (25, 800456), (40, 500285), (50, 400228), (100, 200114), (200, 100057)]