20804487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33181}}^1$

素因数の和:33214

約数の個数: 16

約数和(自身を含む): 31854720

約数和(自身を除く): 11050233

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 33181, 99543, 364991, 630439, 1094973, 1891317, 6934829, 20804487]

約数ペア:

[(1, 20804487), (3, 6934829), (11, 1891317), (19, 1094973), (33, 630439), (57, 364991), (209, 99543), (627, 33181)]