20537419

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6871}}^1$

素因数の和:6946

約数の個数: 12

約数和(自身を含む): 24285648

約数和(自身を除く): 3748229

約数列:

[1, 7, 49, 61, 427, 2989, 6871, 48097, 336679, 419131, 2933917, 20537419]

約数ペア:

[(1, 20537419), (7, 2933917), (49, 419131), (61, 336679), (427, 48097), (2989, 6871)]