20777760423

素因数分解:

$3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2017}}^1$

素因数の和:2162

約数の個数: 96

約数和(自身を含む): 36265881600

約数和(自身を除く): 15488121177

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 71, 141, 147, 213, 329, 343, 423, 441, 497, 639, 987, 1029, 1491, 2017, 2303, 2961, 3087, 3337, 3479, 4473, 6051, 6909, 10011, 10437, 14119, 16121, 18153, 20727, 23359, 24353, 30033, 31311, 42357, 48363, 70077, 73059, 94799, 98833, 127071, 143207, 145089, 163513, 210231, 219177, 284397, 296499, 429621, 490539, 663593, 691831, 853191, 889497, 1002449, 1144591, 1288863, 1471617, 1990779, 2075493, 3007347, 3433773, 4645151, 5972337, 6226479, 6730729, 7017143, 9022041, 10301319, 13935453, 20192187, 21051429, 32516057, 41806359, 47115103, 49120001, 60576561, 63154287, 97548171, 141345309, 147360003, 292644513, 329805721, 424035927, 442080009, 989417163, 2308640047, 2968251489, 6925920141, 20777760423]

約数ペア:

[(1, 20777760423), (3, 6925920141), (7, 2968251489), (9, 2308640047), (21, 989417163), (47, 442080009), (49, 424035927), (63, 329805721), (71, 292644513), (141, 147360003), (147, 141345309), (213, 97548171), (329, 63154287), (343, 60576561), (423, 49120001), (441, 47115103), (497, 41806359), (639, 32516057), (987, 21051429), (1029, 20192187), (1491, 13935453), (2017, 10301319), (2303, 9022041), (2961, 7017143), (3087, 6730729), (3337, 6226479), (3479, 5972337), (4473, 4645151), (6051, 3433773), (6909, 3007347), (10011, 2075493), (10437, 1990779), (14119, 1471617), (16121, 1288863), (18153, 1144591), (20727, 1002449), (23359, 889497), (24353, 853191), (30033, 691831), (31311, 663593), (42357, 490539), (48363, 429621), (70077, 296499), (73059, 284397), (94799, 219177), (98833, 210231), (127071, 163513), (143207, 145089)]