20117381751

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1\times {\mathrm{839}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 31256064000

約数和(自身を除く): 11138682249

約数列:

[1, 3, 9, 27, 29, 87, 113, 261, 271, 339, 783, 813, 839, 1017, 2439, 2517, 3051, 3277, 7317, 7551, 7859, 9831, 22653, 23577, 24331, 29493, 30623, 70731, 72993, 88479, 91869, 94807, 212193, 218979, 227369, 275607, 284421, 656937, 682107, 826821, 853263, 888067, 2046321, 2559789, 2664201, 2749403, 6138963, 6593701, 7992603, 8248209, 19781103, 23977809, 24744627, 25692697, 59343309, 74233881, 77078091, 178029927, 231234273, 693702819, 745088213, 2235264639, 6705793917, 20117381751]

約数ペア:

[(1, 20117381751), (3, 6705793917), (9, 2235264639), (27, 745088213), (29, 693702819), (87, 231234273), (113, 178029927), (261, 77078091), (271, 74233881), (339, 59343309), (783, 25692697), (813, 24744627), (839, 23977809), (1017, 19781103), (2439, 8248209), (2517, 7992603), (3051, 6593701), (3277, 6138963), (7317, 2749403), (7551, 2664201), (7859, 2559789), (9831, 2046321), (22653, 888067), (23577, 853263), (24331, 826821), (29493, 682107), (30623, 656937), (70731, 284421), (72993, 275607), (88479, 227369), (91869, 218979), (94807, 212193)]