20173665519

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{123113}}^1$

素因数の和:123166

約数の個数: 60

約数和(自身を含む): 36586526064

約数和(自身を除く): 16412860545

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 289, 357, 459, 567, 867, 1071, 1377, 2023, 2601, 3213, 6069, 7803, 9639, 18207, 23409, 54621, 123113, 163863, 369339, 861791, 1108017, 2092921, 2585373, 3324051, 6278763, 7756119, 9972153, 14650447, 18836289, 23268357, 35579657, 43951341, 56508867, 69805071, 106738971, 131854023, 169526601, 249057599, 320216913, 395562069, 747172797, 960650739, 1186686207, 2241518391, 2881952217, 6724555173, 20173665519]

約数ペア:

[(1, 20173665519), (3, 6724555173), (7, 2881952217), (9, 2241518391), (17, 1186686207), (21, 960650739), (27, 747172797), (51, 395562069), (63, 320216913), (81, 249057599), (119, 169526601), (153, 131854023), (189, 106738971), (289, 69805071), (357, 56508867), (459, 43951341), (567, 35579657), (867, 23268357), (1071, 18836289), (1377, 14650447), (2023, 9972153), (2601, 7756119), (3213, 6278763), (6069, 3324051), (7803, 2585373), (9639, 2092921), (18207, 1108017), (23409, 861791), (54621, 369339), (123113, 163863)]