20956546

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2789}}^1$

素因数の和:2838

約数の個数: 24

約数和(自身を含む): 35974260

約数和(自身を除く): 15017714

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2789, 3757, 5578, 7514, 36257, 47413, 72514, 94826, 616369, 806021, 1232738, 1612042, 10478273, 20956546]

約数ペア:

[(1, 20956546), (2, 10478273), (13, 1612042), (17, 1232738), (26, 806021), (34, 616369), (221, 94826), (289, 72514), (442, 47413), (578, 36257), (2789, 7514), (3757, 5578)]