20604368

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4649}}^1$

素因数の和:4934

約数の個数: 20

約数和(自身を含む): 40073700

約数和(自身を除く): 19469332

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4649, 9298, 18596, 37192, 74384, 1287773, 2575546, 5151092, 10302184, 20604368]

約数ペア:

[(1, 20604368), (2, 10302184), (4, 5151092), (8, 2575546), (16, 1287773), (277, 74384), (554, 37192), (1108, 18596), (2216, 9298), (4432, 4649)]