20520734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2731}}^1$

素因数の和:2780

約数の個数: 24

約数和(自身を含む): 35226408

約数和(自身を除く): 14705674

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2731, 3757, 5462, 7514, 35503, 46427, 71006, 92854, 603551, 789259, 1207102, 1578518, 10260367, 20520734]

約数ペア:

[(1, 20520734), (2, 10260367), (13, 1578518), (17, 1207102), (26, 789259), (34, 603551), (221, 92854), (289, 71006), (442, 46427), (578, 35503), (2731, 7514), (3757, 5462)]