20530185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 35696640

約数和(自身を除く): 15166455

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 635, 829, 1651, 1905, 2487, 4145, 4953, 8255, 10777, 12435, 24765, 32331, 53885, 105283, 161655, 315849, 526415, 1368679, 1579245, 4106037, 6843395, 20530185]

約数ペア:

[(1, 20530185), (3, 6843395), (5, 4106037), (13, 1579245), (15, 1368679), (39, 526415), (65, 315849), (127, 161655), (195, 105283), (381, 53885), (635, 32331), (829, 24765), (1651, 12435), (1905, 10777), (2487, 8255), (4145, 4953)]