20167728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 60043776

約数和(自身を除く): 39876048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 193, 311, 336, 386, 579, 622, 772, 933, 1158, 1244, 1351, 1544, 1866, 2177, 2316, 2488, 2702, 3088, 3732, 4053, 4354, 4632, 4976, 5404, 6531, 7464, 8106, 8708, 9264, 10808, 13062, 14928, 16212, 17416, 21616, 26124, 32424, 34832, 52248, 60023, 64848, 104496, 120046, 180069, 240092, 360138, 420161, 480184, 720276, 840322, 960368, 1260483, 1440552, 1680644, 2520966, 2881104, 3361288, 5041932, 6722576, 10083864, 20167728]

約数ペア:

[(1, 20167728), (2, 10083864), (3, 6722576), (4, 5041932), (6, 3361288), (7, 2881104), (8, 2520966), (12, 1680644), (14, 1440552), (16, 1260483), (21, 960368), (24, 840322), (28, 720276), (42, 480184), (48, 420161), (56, 360138), (84, 240092), (112, 180069), (168, 120046), (193, 104496), (311, 64848), (336, 60023), (386, 52248), (579, 34832), (622, 32424), (772, 26124), (933, 21616), (1158, 17416), (1244, 16212), (1351, 14928), (1544, 13062), (1866, 10808), (2177, 9264), (2316, 8708), (2488, 8106), (2702, 7464), (3088, 6531), (3732, 5404), (4053, 4976), (4354, 4632)]