20128291234

素因数分解:

$2^1\times {\mathrm{409}}^1\times {\mathrm{3671}}^1\times {\mathrm{6703}}^1$

素因数の和:10785

約数の個数: 16

約数和(自身を含む): 30279018240

約数和(自身を除く): 10150727006

約数列:

[1, 2, 409, 818, 3671, 6703, 7342, 13406, 1501439, 2741527, 3002878, 5483054, 24606713, 49213426, 10064145617, 20128291234]

約数ペア:

[(1, 20128291234), (2, 10064145617), (409, 49213426), (818, 24606713), (3671, 5483054), (6703, 3002878), (7342, 2741527), (13406, 1501439)]