20801222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11941}}^1$

素因数の和:12023

約数の個数: 16

約数和(自身を含む): 34106352

約数和(自身を除く): 13305130

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 11941, 23882, 155233, 310466, 800047, 1600094, 10400611, 20801222]

約数ペア:

[(1, 20801222), (2, 10400611), (13, 1600094), (26, 800047), (67, 310466), (134, 155233), (871, 23882), (1742, 11941)]