20199787474

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1\times {\mathrm{389401}}^1$

素因数の和:390141

約数の個数: 16

約数和(自身を含む): 31163063256

約数和(自身を除く): 10963275782

約数列:

[1, 2, 37, 74, 701, 1402, 25937, 51874, 389401, 778802, 14407837, 28815674, 272970101, 545940202, 10099893737, 20199787474]

約数ペア:

[(1, 20199787474), (2, 10099893737), (37, 545940202), (74, 272970101), (701, 28815674), (1402, 14407837), (25937, 778802), (51874, 389401)]