20907400

素因数分解:

$2^3\times 5^2\times {\mathrm{104537}}^1$

素因数の和:104553

約数の個数: 24

約数和(自身を含む): 48610170

約数和(自身を除く): 27702770

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 104537, 209074, 418148, 522685, 836296, 1045370, 2090740, 2613425, 4181480, 5226850, 10453700, 20907400]

約数ペア:

[(1, 20907400), (2, 10453700), (4, 5226850), (5, 4181480), (8, 2613425), (10, 2090740), (20, 1045370), (25, 836296), (40, 522685), (50, 418148), (100, 209074), (200, 104537)]