20791497609

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{3908911}}^1$

素因数の和:3909117

約数の個数: 16

約数和(自身を含む): 30958583040

約数和(自身を除く): 10167085431

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 3908911, 11726733, 35180199, 105540597, 770055467, 2310166401, 6930499203, 20791497609]

約数ペア:

[(1, 20791497609), (3, 6930499203), (9, 2310166401), (27, 770055467), (197, 105540597), (591, 35180199), (1773, 11726733), (5319, 3908911)]