20207130291

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{721709}}^1$

素因数の和:721796

約数の個数: 32

約数和(自身を含む): 32217134400

約数和(自身を除く): 12010004109

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 1037, 1647, 3111, 9333, 27999, 721709, 2165127, 6495381, 12269053, 19486143, 36807159, 44024249, 110421477, 132072747, 331264431, 396218241, 748412233, 1188654723, 2245236699, 6735710097, 20207130291]

約数ペア:

[(1, 20207130291), (3, 6735710097), (9, 2245236699), (17, 1188654723), (27, 748412233), (51, 396218241), (61, 331264431), (153, 132072747), (183, 110421477), (459, 44024249), (549, 36807159), (1037, 19486143), (1647, 12269053), (3111, 6495381), (9333, 2165127), (27999, 721709)]