20153194865

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1\times {\mathrm{29863}}^1$

素因数の和:31840

約数の個数: 16

約数和(自身を含む): 24538173696

約数和(自身を除く): 4384978831

約数列:

[1, 5, 71, 355, 1901, 9505, 29863, 134971, 149315, 674855, 2120273, 10601365, 56769563, 283847815, 4030638973, 20153194865]

約数ペア:

[(1, 20153194865), (5, 4030638973), (71, 283847815), (355, 56769563), (1901, 10601365), (9505, 2120273), (29863, 674855), (134971, 149315)]