20047400

素因数分解:

$2^3\times 5^2\times {\mathrm{100237}}^1$

素因数の和:100253

約数の個数: 24

約数和(自身を含む): 46610670

約数和(自身を除く): 26563270

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100237, 200474, 400948, 501185, 801896, 1002370, 2004740, 2505925, 4009480, 5011850, 10023700, 20047400]

約数ペア:

[(1, 20047400), (2, 10023700), (4, 5011850), (5, 4009480), (8, 2505925), (10, 2004740), (20, 1002370), (25, 801896), (40, 501185), (50, 400948), (100, 200474), (200, 100237)]