20796528861

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 32461785720

約数和(自身を除く): 11665256859

約数列:

[1, 3, 9, 23, 53, 69, 73, 159, 207, 219, 477, 529, 657, 1129, 1219, 1587, 1679, 3387, 3657, 3869, 4761, 5037, 10161, 10971, 11607, 15111, 25967, 28037, 34821, 38617, 59837, 77901, 82417, 84111, 88987, 115851, 179511, 233703, 247251, 252333, 266961, 347553, 538533, 597241, 741753, 800883, 1376251, 1791723, 1895591, 2046701, 4128753, 4368101, 5375169, 5686773, 6140103, 12386259, 13104303, 17060319, 18420309, 31653773, 39312909, 43598593, 94961319, 100466323, 130795779, 284883957, 301398969, 392387337, 904196907, 2310725429, 6932176287, 20796528861]

約数ペア:

[(1, 20796528861), (3, 6932176287), (9, 2310725429), (23, 904196907), (53, 392387337), (69, 301398969), (73, 284883957), (159, 130795779), (207, 100466323), (219, 94961319), (477, 43598593), (529, 39312909), (657, 31653773), (1129, 18420309), (1219, 17060319), (1587, 13104303), (1679, 12386259), (3387, 6140103), (3657, 5686773), (3869, 5375169), (4761, 4368101), (5037, 4128753), (10161, 2046701), (10971, 1895591), (11607, 1791723), (15111, 1376251), (25967, 800883), (28037, 741753), (34821, 597241), (38617, 538533), (59837, 347553), (77901, 266961), (82417, 252333), (84111, 247251), (88987, 233703), (115851, 179511)]