20567815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1709}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 25855200

約数和(自身を除く): 5287385

約数列:

[1, 5, 29, 83, 145, 415, 1709, 2407, 8545, 12035, 49561, 141847, 247805, 709235, 4113563, 20567815]

約数ペア:

[(1, 20567815), (5, 4113563), (29, 709235), (83, 247805), (145, 141847), (415, 49561), (1709, 12035), (2407, 8545)]