20520604156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{394627003}}^1$

素因数の和:394627020

約数の個数: 12

約数和(自身を含む): 38673446392

約数和(自身を除く): 18152842236

約数列:

[1, 2, 4, 13, 26, 52, 394627003, 789254006, 1578508012, 5130151039, 10260302078, 20520604156]

約数ペア:

[(1, 20520604156), (2, 10260302078), (4, 5130151039), (13, 1578508012), (26, 789254006), (52, 394627003)]