20792018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2179}}^1$

素因数の和:2561

約数の個数: 16

約数和(自身を含む): 33694080

約数和(自身を除く): 12902062

約数列:

[1, 2, 13, 26, 367, 734, 2179, 4358, 4771, 9542, 28327, 56654, 799693, 1599386, 10396009, 20792018]

約数ペア:

[(1, 20792018), (2, 10396009), (13, 1599386), (26, 799693), (367, 56654), (734, 28327), (2179, 9542), (4358, 4771)]