20808614907

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45334673}}^1$

素因数の和:45334699

約数の個数: 16

約数和(自身を含む): 32640965280

約数和(自身を除く): 11832350373

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45334673, 136004019, 408012057, 770689441, 1224036171, 2312068323, 6936204969, 20808614907]

約数ペア:

[(1, 20808614907), (3, 6936204969), (9, 2312068323), (17, 1224036171), (27, 770689441), (51, 408012057), (153, 136004019), (459, 45334673)]