20880656

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3697}}^1$

素因数の和:4058

約数の個数: 20

約数和(自身を含む): 40581852

約数和(自身を除く): 19701196

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3697, 5648, 7394, 14788, 29576, 59152, 1305041, 2610082, 5220164, 10440328, 20880656]

約数ペア:

[(1, 20880656), (2, 10440328), (4, 5220164), (8, 2610082), (16, 1305041), (353, 59152), (706, 29576), (1412, 14788), (2824, 7394), (3697, 5648)]