20163040

素因数分解:

$2^5\times 5^1\times {\mathrm{126019}}^1$

素因数の和:126034

約数の個数: 24

約数和(自身を含む): 47635560

約数和(自身を除く): 27472520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126019, 252038, 504076, 630095, 1008152, 1260190, 2016304, 2520380, 4032608, 5040760, 10081520, 20163040]

約数ペア:

[(1, 20163040), (2, 10081520), (4, 5040760), (5, 4032608), (8, 2520380), (10, 2016304), (16, 1260190), (20, 1008152), (32, 630095), (40, 504076), (80, 252038), (160, 126019)]