20464015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28621}}^1$

素因数の和:28650

約数の個数: 16

約数和(自身を含む): 28850976

約数和(自身を除く): 8386961

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28621, 143105, 314831, 372073, 1574155, 1860365, 4092803, 20464015]

約数ペア:

[(1, 20464015), (5, 4092803), (11, 1860365), (13, 1574155), (55, 372073), (65, 314831), (143, 143105), (715, 28621)]