16638740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8237}}^1$

素因数の和:8347

約数の個数: 24

約数和(自身を含む): 35291592

約数和(自身を除く): 18652852

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 8237, 16474, 32948, 41185, 82370, 164740, 831937, 1663874, 3327748, 4159685, 8319370, 16638740]

約数ペア:

[(1, 16638740), (2, 8319370), (4, 4159685), (5, 3327748), (10, 1663874), (20, 831937), (101, 164740), (202, 82370), (404, 41185), (505, 32948), (1010, 16474), (2020, 8237)]