2020104009

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 3892838400

約数和(自身を除く): 1872734391

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 43, 59, 63, 77, 99, 129, 177, 189, 231, 297, 301, 383, 387, 413, 473, 531, 649, 693, 903, 1149, 1161, 1239, 1419, 1593, 1947, 2079, 2537, 2681, 2709, 3311, 3447, 3717, 4213, 4257, 4543, 5841, 7611, 8043, 8127, 9933, 10341, 11151, 12639, 12771, 13629, 16469, 17523, 17759, 22597, 22833, 24129, 27907, 29491, 29799, 37917, 40887, 49407, 53277, 67791, 68499, 72387, 83721, 88473, 89397, 113751, 115283, 122661, 148221, 158179, 159831, 181159, 195349, 203373, 248567, 251163, 265419, 345849, 444663, 474537, 479493, 543477, 586047, 610119, 745701, 753489, 796257, 971671, 1037547, 1268113, 1423611, 1630431, 1739969, 1758141, 2237103, 2915013, 3112641, 3804339, 4270833, 4891293, 5219907, 5274423, 6711309, 6801697, 8745039, 10688381, 11413017, 15659721, 20405091, 26235117, 32065143, 34239051, 46979163, 61215273, 74818667, 96195429, 183645819, 224456001, 288586287, 673368003, 2020104009]

約数ペア:

[(1, 2020104009), (3, 673368003), (7, 288586287), (9, 224456001), (11, 183645819), (21, 96195429), (27, 74818667), (33, 61215273), (43, 46979163), (59, 34239051), (63, 32065143), (77, 26235117), (99, 20405091), (129, 15659721), (177, 11413017), (189, 10688381), (231, 8745039), (297, 6801697), (301, 6711309), (383, 5274423), (387, 5219907), (413, 4891293), (473, 4270833), (531, 3804339), (649, 3112641), (693, 2915013), (903, 2237103), (1149, 1758141), (1161, 1739969), (1239, 1630431), (1419, 1423611), (1593, 1268113), (1947, 1037547), (2079, 971671), (2537, 796257), (2681, 753489), (2709, 745701), (3311, 610119), (3447, 586047), (3717, 543477), (4213, 479493), (4257, 474537), (4543, 444663), (5841, 345849), (7611, 265419), (8043, 251163), (8127, 248567), (9933, 203373), (10341, 195349), (11151, 181159), (12639, 159831), (12771, 158179), (13629, 148221), (16469, 122661), (17523, 115283), (17759, 113751), (22597, 89397), (22833, 88473), (24129, 83721), (27907, 72387), (29491, 68499), (29799, 67791), (37917, 53277), (40887, 49407)]