20595760

素因数分解:

$2^4\times 5^1\times {\mathrm{257447}}^1$

素因数の和:257460

約数の個数: 20

約数和(自身を含む): 47885328

約数和(自身を除く): 27289568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257447, 514894, 1029788, 1287235, 2059576, 2574470, 4119152, 5148940, 10297880, 20595760]

約数ペア:

[(1, 20595760), (2, 10297880), (4, 5148940), (5, 4119152), (8, 2574470), (10, 2059576), (16, 1287235), (20, 1029788), (40, 514894), (80, 257447)]