20167763

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 28366848

約数和(自身を除く): 8199085

約数列:

[1, 7, 11, 17, 31, 49, 71, 77, 119, 187, 217, 341, 497, 527, 539, 781, 833, 1207, 1309, 1519, 2201, 2387, 3479, 3689, 5467, 5797, 8449, 9163, 13277, 15407, 16709, 24211, 25823, 37417, 38269, 40579, 59143, 92939, 107849, 169477, 261919, 284053, 411587, 650573, 1186339, 1833433, 2881109, 20167763]

約数ペア:

[(1, 20167763), (7, 2881109), (11, 1833433), (17, 1186339), (31, 650573), (49, 411587), (71, 284053), (77, 261919), (119, 169477), (187, 107849), (217, 92939), (341, 59143), (497, 40579), (527, 38269), (539, 37417), (781, 25823), (833, 24211), (1207, 16709), (1309, 15407), (1519, 13277), (2201, 9163), (2387, 8449), (3479, 5797), (3689, 5467)]