20506568

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{5839}}^1$

素因数の和:6284

約数の個数: 16

約数和(自身を含む): 38544000

約数和(自身を除く): 18037432

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 5839, 11678, 23356, 46712, 2563321, 5126642, 10253284, 20506568]

約数ペア:

[(1, 20506568), (2, 10253284), (4, 5126642), (8, 2563321), (439, 46712), (878, 23356), (1756, 11678), (3512, 5839)]