20622305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5281}}^1$

素因数の和:5368

約数の個数: 16

約数和(自身を含む): 27381888

約数和(自身を除く): 6759583

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5281, 26405, 58091, 290455, 374951, 1874755, 4124461, 20622305]

約数ペア:

[(1, 20622305), (5, 4124461), (11, 1874755), (55, 374951), (71, 290455), (355, 58091), (781, 26405), (3905, 5281)]