20649018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264731}}^1$

素因数の和:264749

約数の個数: 16

約数和(自身を含む): 44474976

約数和(自身を除く): 23825958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264731, 529462, 794193, 1588386, 3441503, 6883006, 10324509, 20649018]

約数ペア:

[(1, 20649018), (2, 10324509), (3, 6883006), (6, 3441503), (13, 1588386), (26, 794193), (39, 529462), (78, 264731)]