20839611

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4079}}^1$

素因数の和:4226

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 9319749

約数列:

[1, 3, 13, 39, 131, 393, 1703, 4079, 5109, 12237, 53027, 159081, 534349, 1603047, 6946537, 20839611]

約数ペア:

[(1, 20839611), (3, 6946537), (13, 1603047), (39, 534349), (131, 159081), (393, 53027), (1703, 12237), (4079, 5109)]