20163681668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{387763109}}^1$

素因数の和:387763126

約数の個数: 12

約数和(自身を含む): 38000784780

約数和(自身を除く): 17837103112

約数列:

[1, 2, 4, 13, 26, 52, 387763109, 775526218, 1551052436, 5040920417, 10081840834, 20163681668]

約数ペア:

[(1, 20163681668), (2, 10081840834), (4, 5040920417), (13, 1551052436), (26, 775526218), (52, 387763109)]