20898200

素因数分解:

$2^3\times 5^2\times {\mathrm{104491}}^1$

素因数の和:104507

約数の個数: 24

約数和(自身を含む): 48588780

約数和(自身を除く): 27690580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104491, 208982, 417964, 522455, 835928, 1044910, 2089820, 2612275, 4179640, 5224550, 10449100, 20898200]

約数ペア:

[(1, 20898200), (2, 10449100), (4, 5224550), (5, 4179640), (8, 2612275), (10, 2089820), (20, 1044910), (25, 835928), (40, 522455), (50, 417964), (100, 208982), (200, 104491)]