20789728216

素因数分解:

$2^3\times {\mathrm{3079}}^1\times {\mathrm{844013}}^1$

素因数の和:847098

約数の個数: 16

約数和(自身を含む): 38993446800

約数和(自身を除く): 18203718584

約数列:

[1, 2, 4, 8, 3079, 6158, 12316, 24632, 844013, 1688026, 3376052, 6752104, 2598716027, 5197432054, 10394864108, 20789728216]

約数ペア:

[(1, 20789728216), (2, 10394864108), (4, 5197432054), (8, 2598716027), (3079, 6752104), (6158, 3376052), (12316, 1688026), (24632, 844013)]