20468368

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11321}}^1$

素因数の和:11442

約数の個数: 20

約数和(自身を含む): 40011948

約数和(自身を除く): 19543580

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11321, 22642, 45284, 90568, 181136, 1279273, 2558546, 5117092, 10234184, 20468368]

約数ペア:

[(1, 20468368), (2, 10234184), (4, 5117092), (8, 2558546), (16, 1279273), (113, 181136), (226, 90568), (452, 45284), (904, 22642), (1808, 11321)]