20475128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82561}}^1$

素因数の和:82598

約数の個数: 16

約数和(自身を含む): 39629760

約数和(自身を除く): 19154632

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82561, 165122, 330244, 660488, 2559391, 5118782, 10237564, 20475128]

約数ペア:

[(1, 20475128), (2, 10237564), (4, 5118782), (8, 2559391), (31, 660488), (62, 330244), (124, 165122), (248, 82561)]