20773872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 120

約数和(自身を含む): 68361696

約数和(自身を除く): 47587824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 72, 74, 84, 111, 112, 126, 144, 148, 168, 222, 252, 259, 296, 333, 336, 444, 504, 518, 557, 592, 666, 777, 888, 1008, 1036, 1114, 1332, 1554, 1671, 1776, 2072, 2228, 2331, 2664, 3108, 3342, 3899, 4144, 4456, 4662, 5013, 5328, 6216, 6684, 7798, 8912, 9324, 10026, 11697, 12432, 13368, 15596, 18648, 20052, 20609, 23394, 26736, 31192, 35091, 37296, 40104, 41218, 46788, 61827, 62384, 70182, 80208, 82436, 93576, 123654, 140364, 144263, 164872, 185481, 187152, 247308, 280728, 288526, 329744, 370962, 432789, 494616, 561456, 577052, 741924, 865578, 989232, 1154104, 1298367, 1483848, 1731156, 2308208, 2596734, 2967696, 3462312, 5193468, 6924624, 10386936, 20773872]

約数ペア:

[(1, 20773872), (2, 10386936), (3, 6924624), (4, 5193468), (6, 3462312), (7, 2967696), (8, 2596734), (9, 2308208), (12, 1731156), (14, 1483848), (16, 1298367), (18, 1154104), (21, 989232), (24, 865578), (28, 741924), (36, 577052), (37, 561456), (42, 494616), (48, 432789), (56, 370962), (63, 329744), (72, 288526), (74, 280728), (84, 247308), (111, 187152), (112, 185481), (126, 164872), (144, 144263), (148, 140364), (168, 123654), (222, 93576), (252, 82436), (259, 80208), (296, 70182), (333, 62384), (336, 61827), (444, 46788), (504, 41218), (518, 40104), (557, 37296), (592, 35091), (666, 31192), (777, 26736), (888, 23394), (1008, 20609), (1036, 20052), (1114, 18648), (1332, 15596), (1554, 13368), (1671, 12432), (1776, 11697), (2072, 10026), (2228, 9324), (2331, 8912), (2664, 7798), (3108, 6684), (3342, 6216), (3899, 5328), (4144, 5013), (4456, 4662)]