20804938317

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45326663}}^1$

素因数の和:45326689

約数の個数: 16

約数和(自身を含む): 32635198080

約数和(自身を除く): 11830259763

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45326663, 135979989, 407939967, 770553271, 1223819901, 2311659813, 6934979439, 20804938317]

約数ペア:

[(1, 20804938317), (3, 6934979439), (9, 2311659813), (17, 1223819901), (27, 770553271), (51, 407939967), (153, 135979989), (459, 45326663)]