20971352

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{8429}}^1$

素因数の和:8746

約数の個数: 16

約数和(自身を含む): 39452400

約数和(自身を除く): 18481048

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 8429, 16858, 33716, 67432, 2621419, 5242838, 10485676, 20971352]

約数ペア:

[(1, 20971352), (2, 10485676), (4, 5242838), (8, 2621419), (311, 67432), (622, 33716), (1244, 16858), (2488, 8429)]