20808515512

素因数分解:

$2^3\times {\mathrm{2521}}^1\times {\mathrm{1031759}}^1$

素因数の和:1034286

約数の個数: 16

約数和(自身を含む): 39031480800

約数和(自身を除く): 18222965288

約数列:

[1, 2, 4, 8, 2521, 5042, 10084, 20168, 1031759, 2063518, 4127036, 8254072, 2601064439, 5202128878, 10404257756, 20808515512]

約数ペア:

[(1, 20808515512), (2, 10404257756), (4, 5202128878), (8, 2601064439), (2521, 8254072), (5042, 4127036), (10084, 2063518), (20168, 1031759)]