20538297

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9239}}^1$

素因数の和:9277

約数の個数: 24

約数和(自身を含む): 33633600

約数和(自身を除く): 13095303

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9239, 27717, 83151, 120107, 175541, 360321, 526623, 1080963, 1579869, 2282033, 6846099, 20538297]

約数ペア:

[(1, 20538297), (3, 6846099), (9, 2282033), (13, 1579869), (19, 1080963), (39, 526623), (57, 360321), (117, 175541), (171, 120107), (247, 83151), (741, 27717), (2223, 9239)]