20904562

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64921}}^1$

素因数の和:64953

約数の個数: 16

約数和(自身を含む): 37395072

約数和(自身を除く): 16490510

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64921, 129842, 454447, 908894, 1493183, 2986366, 10452281, 20904562]

約数ペア:

[(1, 20904562), (2, 10452281), (7, 2986366), (14, 1493183), (23, 908894), (46, 454447), (161, 129842), (322, 64921)]