20569809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4153}}^1$

素因数の和:4296

約数の個数: 16

約数和(自身を含む): 29775872

約数和(自身を除く): 9206063

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4153, 4953, 12459, 53989, 161967, 527431, 1582293, 6856603, 20569809]

約数ペア:

[(1, 20569809), (3, 6856603), (13, 1582293), (39, 527431), (127, 161967), (381, 53989), (1651, 12459), (4153, 4953)]