20212763751

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{98369}}^1$

素因数の和:98488

約数の個数: 36

約数和(自身を含む): 31407573600

約数和(自身を除く): 11194809849

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 289, 711, 867, 1343, 2601, 4029, 12087, 22831, 68493, 98369, 205479, 295107, 885321, 1672273, 5016819, 7771151, 15050457, 23313453, 28428641, 69940359, 85285923, 132109567, 255857769, 396328701, 1188986103, 2245862639, 6737587917, 20212763751]

約数ペア:

[(1, 20212763751), (3, 6737587917), (9, 2245862639), (17, 1188986103), (51, 396328701), (79, 255857769), (153, 132109567), (237, 85285923), (289, 69940359), (711, 28428641), (867, 23313453), (1343, 15050457), (2601, 7771151), (4029, 5016819), (12087, 1672273), (22831, 885321), (68493, 295107), (98369, 205479)]