20990166

素因数分解:

$2^1\times 3^1\times {\mathrm{1451}}^1\times {\mathrm{2411}}^1$

素因数の和:3867

約数の個数: 16

約数和(自身を含む): 42026688

約数和(自身を除く): 21036522

約数列:

[1, 2, 3, 6, 1451, 2411, 2902, 4353, 4822, 7233, 8706, 14466, 3498361, 6996722, 10495083, 20990166]

約数ペア:

[(1, 20990166), (2, 10495083), (3, 6996722), (6, 3498361), (1451, 14466), (2411, 8706), (2902, 7233), (4353, 4822)]