20531186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2237}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 33274584

約数和(自身を除く): 12743398

約数列:

[1, 2, 13, 26, 353, 706, 2237, 4474, 4589, 9178, 29081, 58162, 789661, 1579322, 10265593, 20531186]

約数ペア:

[(1, 20531186), (2, 10265593), (13, 1579322), (26, 789661), (353, 58162), (706, 29081), (2237, 9178), (4474, 4589)]