20531587544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197419111}}^1$

素因数の和:197419130

約数の個数: 16

約数和(自身を含む): 41458013520

約数和(自身を除く): 20926425976

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197419111, 394838222, 789676444, 1579352888, 2566448443, 5132896886, 10265793772, 20531587544]

約数ペア:

[(1, 20531587544), (2, 10265793772), (4, 5132896886), (8, 2566448443), (13, 1579352888), (26, 789676444), (52, 394838222), (104, 197419111)]