20296744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195161}}^1$

素因数の和:195180

約数の個数: 16

約数和(自身を含む): 40984020

約数和(自身を除く): 20687276

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195161, 390322, 780644, 1561288, 2537093, 5074186, 10148372, 20296744]

約数ペア:

[(1, 20296744), (2, 10148372), (4, 5074186), (8, 2537093), (13, 1561288), (26, 780644), (52, 390322), (104, 195161)]