20530888

素因数分解:

$2^3\times 7^1\times {\mathrm{523}}^1\times {\mathrm{701}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 44141760

約数和(自身を除く): 23610872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 523, 701, 1046, 1402, 2092, 2804, 3661, 4184, 4907, 5608, 7322, 9814, 14644, 19628, 29288, 39256, 366623, 733246, 1466492, 2566361, 2932984, 5132722, 10265444, 20530888]

約数ペア:

[(1, 20530888), (2, 10265444), (4, 5132722), (7, 2932984), (8, 2566361), (14, 1466492), (28, 733246), (56, 366623), (523, 39256), (701, 29288), (1046, 19628), (1402, 14644), (2092, 9814), (2804, 7322), (3661, 5608), (4184, 4907)]