20945054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47387}}^1$

素因数の和:47419

約数の個数: 16

約数和(自身を含む): 35825328

約数和(自身を除く): 14880274

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47387, 94774, 616031, 805579, 1232062, 1611158, 10472527, 20945054]

約数ペア:

[(1, 20945054), (2, 10472527), (13, 1611158), (17, 1232062), (26, 805579), (34, 616031), (221, 94774), (442, 47387)]