20403721796

素因数分解:

$2^2\times {\mathrm{1319}}^1\times {\mathrm{3867271}}^1$

素因数の和:3868594

約数の個数: 12

約数和(自身を含む): 35733593280

約数和(自身を除く): 15329871484

約数列:

[1, 2, 4, 1319, 2638, 5276, 3867271, 7734542, 15469084, 5100930449, 10201860898, 20403721796]

約数ペア:

[(1, 20403721796), (2, 10201860898), (4, 5100930449), (1319, 15469084), (2638, 7734542), (5276, 3867271)]