2020199240

素因数分解:

$2^3\times 5^1\times {\mathrm{50504981}}^1$

素因数の和:50504992

約数の個数: 16

約数和(自身を含む): 4545448380

約数和(自身を除く): 2525249140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50504981, 101009962, 202019924, 252524905, 404039848, 505049810, 1010099620, 2020199240]

約数ペア:

[(1, 2020199240), (2, 1010099620), (4, 505049810), (5, 404039848), (8, 252524905), (10, 202019924), (20, 101009962), (40, 50504981)]