20995799

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 24993360

約数和(自身を除く): 3997561

約数列:

[1, 11, 17, 59, 121, 173, 187, 649, 1003, 1903, 2057, 2941, 7139, 10207, 11033, 20933, 32351, 112277, 121363, 173519, 355861, 1235047, 1908709, 20995799]

約数ペア:

[(1, 20995799), (11, 1908709), (17, 1235047), (59, 355861), (121, 173519), (173, 121363), (187, 112277), (649, 32351), (1003, 20933), (1903, 11033), (2057, 10207), (2941, 7139)]