20488689

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10301}}^1$

素因数の和:10337

約数の個数: 24

約数和(自身を含む): 33749352

約数和(自身を除く): 13260663

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10301, 30903, 92709, 133913, 175117, 401739, 525351, 1205217, 1576053, 2276521, 6829563, 20488689]

約数ペア:

[(1, 20488689), (3, 6829563), (9, 2276521), (13, 1576053), (17, 1205217), (39, 525351), (51, 401739), (117, 175117), (153, 133913), (221, 92709), (663, 30903), (1989, 10301)]