20407293

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1607}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 31606848

約数和(自身を除く): 11199555

約数列:

[1, 3, 9, 17, 51, 83, 153, 249, 747, 1411, 1607, 4233, 4821, 12699, 14463, 27319, 81957, 133381, 245871, 400143, 1200429, 2267477, 6802431, 20407293]

約数ペア:

[(1, 20407293), (3, 6802431), (9, 2267477), (17, 1200429), (51, 400143), (83, 245871), (153, 133381), (249, 81957), (747, 27319), (1411, 14463), (1607, 12699), (4233, 4821)]