20612144

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:514

約数の個数: 60

約数和(自身を含む): 47327328

約数和(自身を除く): 26715184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 431, 488, 784, 854, 862, 976, 1708, 1724, 2989, 3017, 3416, 3448, 5978, 6034, 6832, 6896, 11956, 12068, 21119, 23912, 24136, 26291, 42238, 47824, 48272, 52582, 84476, 105164, 168952, 184037, 210328, 337904, 368074, 420656, 736148, 1288259, 1472296, 2576518, 2944592, 5153036, 10306072, 20612144]

約数ペア:

[(1, 20612144), (2, 10306072), (4, 5153036), (7, 2944592), (8, 2576518), (14, 1472296), (16, 1288259), (28, 736148), (49, 420656), (56, 368074), (61, 337904), (98, 210328), (112, 184037), (122, 168952), (196, 105164), (244, 84476), (392, 52582), (427, 48272), (431, 47824), (488, 42238), (784, 26291), (854, 24136), (862, 23912), (976, 21119), (1708, 12068), (1724, 11956), (2989, 6896), (3017, 6832), (3416, 6034), (3448, 5978)]