20179906568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81370591}}^1$

素因数の和:81370628

約数の個数: 16

約数和(自身を含む): 39057884160

約数和(自身を除く): 18877977592

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81370591, 162741182, 325482364, 650964728, 2522488321, 5044976642, 10089953284, 20179906568]

約数ペア:

[(1, 20179906568), (2, 10089953284), (4, 5044976642), (8, 2522488321), (31, 650964728), (62, 325482364), (124, 162741182), (248, 81370591)]