20480889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47741}}^1$

素因数の和:47768

約数の個数: 16

約数和(自身を含む): 32082624

約数和(自身を除く): 11601735

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47741, 143223, 525151, 620633, 1575453, 1861899, 6826963, 20480889]

約数ペア:

[(1, 20480889), (3, 6826963), (11, 1861899), (13, 1575453), (33, 620633), (39, 525151), (143, 143223), (429, 47741)]