20653846

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1753}}^1$

素因数の和:1935

約数の個数: 16

約数和(自身を含む): 31950864

約数和(自身を除く): 11297018

約数列:

[1, 2, 43, 86, 137, 274, 1753, 3506, 5891, 11782, 75379, 150758, 240161, 480322, 10326923, 20653846]

約数ペア:

[(1, 20653846), (2, 10326923), (43, 480322), (86, 240161), (137, 150758), (274, 75379), (1753, 11782), (3506, 5891)]