20218896576

素因数分解:

$2^6\times 3^2\times {\mathrm{109}}^1\times {\mathrm{322039}}^1$

素因数の和:322166

約数の個数: 84

約数和(自身を含む): 58485684400

約数和(自身を除く): 38266787824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 144, 192, 218, 288, 327, 436, 576, 654, 872, 981, 1308, 1744, 1962, 2616, 3488, 3924, 5232, 6976, 7848, 10464, 15696, 20928, 31392, 62784, 322039, 644078, 966117, 1288156, 1932234, 2576312, 2898351, 3864468, 5152624, 5796702, 7728936, 10305248, 11593404, 15457872, 20610496, 23186808, 30915744, 35102251, 46373616, 61831488, 70204502, 92747232, 105306753, 140409004, 185494464, 210613506, 280818008, 315920259, 421227012, 561636016, 631840518, 842454024, 1123272032, 1263681036, 1684908048, 2246544064, 2527362072, 3369816096, 5054724144, 6739632192, 10109448288, 20218896576]

約数ペア:

[(1, 20218896576), (2, 10109448288), (3, 6739632192), (4, 5054724144), (6, 3369816096), (8, 2527362072), (9, 2246544064), (12, 1684908048), (16, 1263681036), (18, 1123272032), (24, 842454024), (32, 631840518), (36, 561636016), (48, 421227012), (64, 315920259), (72, 280818008), (96, 210613506), (109, 185494464), (144, 140409004), (192, 105306753), (218, 92747232), (288, 70204502), (327, 61831488), (436, 46373616), (576, 35102251), (654, 30915744), (872, 23186808), (981, 20610496), (1308, 15457872), (1744, 11593404), (1962, 10305248), (2616, 7728936), (3488, 5796702), (3924, 5152624), (5232, 3864468), (6976, 2898351), (7848, 2576312), (10464, 1932234), (15696, 1288156), (20928, 966117), (31392, 644078), (62784, 322039)]