20420064

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1447}}^1$

素因数の和:1477

約数の個数: 108

約数和(自身を含む): 67596984

約数和(自身を除く): 47176920

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1447, 1568, 1764, 2016, 2352, 2894, 3528, 4341, 4704, 5788, 7056, 8682, 10129, 11576, 13023, 14112, 17364, 20258, 23152, 26046, 30387, 34728, 40516, 46304, 52092, 60774, 69456, 70903, 81032, 91161, 104184, 121548, 138912, 141806, 162064, 182322, 208368, 212709, 243096, 283612, 324128, 364644, 416736, 425418, 486192, 567224, 638127, 729288, 850836, 972384, 1134448, 1276254, 1458576, 1701672, 2268896, 2552508, 2917152, 3403344, 5105016, 6806688, 10210032, 20420064]

約数ペア:

[(1, 20420064), (2, 10210032), (3, 6806688), (4, 5105016), (6, 3403344), (7, 2917152), (8, 2552508), (9, 2268896), (12, 1701672), (14, 1458576), (16, 1276254), (18, 1134448), (21, 972384), (24, 850836), (28, 729288), (32, 638127), (36, 567224), (42, 486192), (48, 425418), (49, 416736), (56, 364644), (63, 324128), (72, 283612), (84, 243096), (96, 212709), (98, 208368), (112, 182322), (126, 162064), (144, 141806), (147, 138912), (168, 121548), (196, 104184), (224, 91161), (252, 81032), (288, 70903), (294, 69456), (336, 60774), (392, 52092), (441, 46304), (504, 40516), (588, 34728), (672, 30387), (784, 26046), (882, 23152), (1008, 20258), (1176, 17364), (1447, 14112), (1568, 13023), (1764, 11576), (2016, 10129), (2352, 8682), (2894, 7056), (3528, 5788), (4341, 4704)]