20787732

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:938

約数の個数: 96

約数和(自身を含む): 63651840

約数和(自身を除く): 42864108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 84, 93, 108, 124, 126, 186, 189, 217, 252, 279, 372, 378, 434, 558, 651, 756, 837, 868, 887, 1116, 1302, 1674, 1774, 1953, 2604, 2661, 3348, 3548, 3906, 5322, 5859, 6209, 7812, 7983, 10644, 11718, 12418, 15966, 18627, 23436, 23949, 24836, 27497, 31932, 37254, 47898, 54994, 55881, 74508, 82491, 95796, 109988, 111762, 164982, 167643, 192479, 223524, 247473, 329964, 335286, 384958, 494946, 577437, 670572, 742419, 769916, 989892, 1154874, 1484838, 1732311, 2309748, 2969676, 3464622, 5196933, 6929244, 10393866, 20787732]

約数ペア:

[(1, 20787732), (2, 10393866), (3, 6929244), (4, 5196933), (6, 3464622), (7, 2969676), (9, 2309748), (12, 1732311), (14, 1484838), (18, 1154874), (21, 989892), (27, 769916), (28, 742419), (31, 670572), (36, 577437), (42, 494946), (54, 384958), (62, 335286), (63, 329964), (84, 247473), (93, 223524), (108, 192479), (124, 167643), (126, 164982), (186, 111762), (189, 109988), (217, 95796), (252, 82491), (279, 74508), (372, 55881), (378, 54994), (434, 47898), (558, 37254), (651, 31932), (756, 27497), (837, 24836), (868, 23949), (887, 23436), (1116, 18627), (1302, 15966), (1674, 12418), (1774, 11718), (1953, 10644), (2604, 7983), (2661, 7812), (3348, 6209), (3548, 5859), (3906, 5322)]