20152120

素因数分解:

$2^3\times 5^1\times {\mathrm{503803}}^1$

素因数の和:503814

約数の個数: 16

約数和(自身を含む): 45342360

約数和(自身を除く): 25190240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503803, 1007606, 2015212, 2519015, 4030424, 5038030, 10076060, 20152120]

約数ペア:

[(1, 20152120), (2, 10076060), (4, 5038030), (5, 4030424), (8, 2519015), (10, 2015212), (20, 1007606), (40, 503803)]