20802609

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{3911}}^1$

素因数の和:4117

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 10180431

約数列:

[1, 3, 9, 27, 197, 591, 1773, 3911, 5319, 11733, 35199, 105597, 770467, 2311401, 6934203, 20802609]

約数ペア:

[(1, 20802609), (3, 6934203), (9, 2311401), (27, 770467), (197, 105597), (591, 35199), (1773, 11733), (3911, 5319)]