20692689

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 30356160

約数和(自身を除く): 9663471

約数列:

[1, 3, 17, 29, 51, 87, 289, 493, 823, 867, 1479, 2469, 8381, 13991, 23867, 25143, 41973, 71601, 237847, 405739, 713541, 1217217, 6897563, 20692689]

約数ペア:

[(1, 20692689), (3, 6897563), (17, 1217217), (29, 713541), (51, 405739), (87, 237847), (289, 71601), (493, 41973), (823, 25143), (867, 23867), (1479, 13991), (2469, 8381)]