20174020461

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1\times {\mathrm{1447}}^1$

素因数の和:1900

約数の個数: 80

約数和(自身を含む): 35075239936

約数和(自身を除く): 14901219475

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 367, 469, 567, 603, 1101, 1407, 1447, 1809, 2569, 3303, 4221, 4341, 5427, 7707, 9909, 10129, 12663, 13023, 23121, 24589, 29727, 30387, 37989, 39069, 69363, 73767, 91161, 96949, 117207, 172123, 208089, 221301, 273483, 290847, 516369, 531049, 663903, 678643, 820449, 872541, 1549107, 1593147, 1991709, 2035929, 2617623, 3717343, 4647321, 4779441, 6107787, 7852869, 11152029, 13941963, 14338323, 18323361, 33456087, 35580283, 43014969, 54970083, 100368261, 106740849, 249061981, 301104783, 320222547, 747185943, 960667641, 2241557829, 2882002923, 6724673487, 20174020461]

約数ペア:

[(1, 20174020461), (3, 6724673487), (7, 2882002923), (9, 2241557829), (21, 960667641), (27, 747185943), (63, 320222547), (67, 301104783), (81, 249061981), (189, 106740849), (201, 100368261), (367, 54970083), (469, 43014969), (567, 35580283), (603, 33456087), (1101, 18323361), (1407, 14338323), (1447, 13941963), (1809, 11152029), (2569, 7852869), (3303, 6107787), (4221, 4779441), (4341, 4647321), (5427, 3717343), (7707, 2617623), (9909, 2035929), (10129, 1991709), (12663, 1593147), (13023, 1549107), (23121, 872541), (24589, 820449), (29727, 678643), (30387, 663903), (37989, 531049), (39069, 516369), (69363, 290847), (73767, 273483), (91161, 221301), (96949, 208089), (117207, 172123)]