20799912

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{769}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 63201600

約数和(自身を除く): 42401688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 138, 147, 161, 168, 184, 196, 276, 294, 322, 392, 483, 552, 588, 644, 769, 966, 1127, 1176, 1288, 1538, 1932, 2254, 2307, 3076, 3381, 3864, 4508, 4614, 5383, 6152, 6762, 9016, 9228, 10766, 13524, 16149, 17687, 18456, 21532, 27048, 32298, 35374, 37681, 43064, 53061, 64596, 70748, 75362, 106122, 113043, 123809, 129192, 141496, 150724, 212244, 226086, 247618, 301448, 371427, 424488, 452172, 495236, 742854, 866663, 904344, 990472, 1485708, 1733326, 2599989, 2971416, 3466652, 5199978, 6933304, 10399956, 20799912]

約数ペア:

[(1, 20799912), (2, 10399956), (3, 6933304), (4, 5199978), (6, 3466652), (7, 2971416), (8, 2599989), (12, 1733326), (14, 1485708), (21, 990472), (23, 904344), (24, 866663), (28, 742854), (42, 495236), (46, 452172), (49, 424488), (56, 371427), (69, 301448), (84, 247618), (92, 226086), (98, 212244), (138, 150724), (147, 141496), (161, 129192), (168, 123809), (184, 113043), (196, 106122), (276, 75362), (294, 70748), (322, 64596), (392, 53061), (483, 43064), (552, 37681), (588, 35374), (644, 32298), (769, 27048), (966, 21532), (1127, 18456), (1176, 17687), (1288, 16149), (1538, 13524), (1932, 10766), (2254, 9228), (2307, 9016), (3076, 6762), (3381, 6152), (3864, 5383), (4508, 4614)]