20721602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{32479}}^1$

素因数の和:32521

約数の個数: 16

約数和(自身を含む): 35078400

約数和(自身を除く): 14356798

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 32479, 64958, 357269, 714538, 941891, 1883782, 10360801, 20721602]

約数ペア:

[(1, 20721602), (2, 10360801), (11, 1883782), (22, 941891), (29, 714538), (58, 357269), (319, 64958), (638, 32479)]