20647495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4523}}^1$

素因数の和:4622

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 6713657

約数列:

[1, 5, 11, 55, 83, 415, 913, 4523, 4565, 22615, 49753, 248765, 375409, 1877045, 4129499, 20647495]

約数ペア:

[(1, 20647495), (5, 4129499), (11, 1877045), (55, 375409), (83, 248765), (415, 49753), (913, 22615), (4523, 4565)]