20764260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10487}}^1$

素因数の和:10513

約数の個数: 72

約数和(自身を含む): 68717376

約数和(自身を除く): 47953116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10487, 20974, 31461, 41948, 52435, 62922, 94383, 104870, 115357, 125844, 157305, 188766, 209740, 230714, 314610, 346071, 377532, 461428, 471915, 576785, 629220, 692142, 943830, 1038213, 1153570, 1384284, 1730355, 1887660, 2076426, 2307140, 3460710, 4152852, 5191065, 6921420, 10382130, 20764260]

約数ペア:

[(1, 20764260), (2, 10382130), (3, 6921420), (4, 5191065), (5, 4152852), (6, 3460710), (9, 2307140), (10, 2076426), (11, 1887660), (12, 1730355), (15, 1384284), (18, 1153570), (20, 1038213), (22, 943830), (30, 692142), (33, 629220), (36, 576785), (44, 471915), (45, 461428), (55, 377532), (60, 346071), (66, 314610), (90, 230714), (99, 209740), (110, 188766), (132, 157305), (165, 125844), (180, 115357), (198, 104870), (220, 94383), (330, 62922), (396, 52435), (495, 41948), (660, 31461), (990, 20974), (1980, 10487)]