20939006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1987}}^1$

素因数の和:2479

約数の個数: 16

約数和(自身を含む): 34352640

約数和(自身を除く): 13413634

約数列:

[1, 2, 11, 22, 479, 958, 1987, 3974, 5269, 10538, 21857, 43714, 951773, 1903546, 10469503, 20939006]

約数ペア:

[(1, 20939006), (2, 10469503), (11, 1903546), (22, 951773), (479, 43714), (958, 21857), (1987, 10538), (3974, 5269)]