20735456721

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{5107}}^1$

素因数の和:5318

約数の個数: 64

約数和(自身を含む): 33541171200

約数和(自身を除く): 12805714479

約数列:

[1, 3, 7, 21, 29, 59, 87, 113, 177, 203, 339, 413, 609, 791, 1239, 1711, 2373, 3277, 5107, 5133, 6667, 9831, 11977, 15321, 20001, 22939, 35749, 35931, 46669, 68817, 107247, 140007, 148103, 193343, 301313, 444309, 577091, 580029, 903939, 1036721, 1353401, 1731273, 2109191, 3110163, 4039637, 4060203, 6327573, 8738077, 12118911, 16735639, 26214231, 34048369, 50206917, 61166539, 102145107, 117149473, 183499617, 238338583, 351448419, 715015749, 987402701, 2962208103, 6911818907, 20735456721]

約数ペア:

[(1, 20735456721), (3, 6911818907), (7, 2962208103), (21, 987402701), (29, 715015749), (59, 351448419), (87, 238338583), (113, 183499617), (177, 117149473), (203, 102145107), (339, 61166539), (413, 50206917), (609, 34048369), (791, 26214231), (1239, 16735639), (1711, 12118911), (2373, 8738077), (3277, 6327573), (5107, 4060203), (5133, 4039637), (6667, 3110163), (9831, 2109191), (11977, 1731273), (15321, 1353401), (20001, 1036721), (22939, 903939), (35749, 580029), (35931, 577091), (46669, 444309), (68817, 301313), (107247, 193343), (140007, 148103)]