20666121344

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{73757}}^1$

素因数の和:73981

約数の個数: 64

約数和(自身を含む): 45139896000

約数和(自身を除く): 24473774656

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 199, 352, 398, 704, 796, 1408, 1592, 2189, 3184, 4378, 6368, 8756, 12736, 17512, 25472, 35024, 70048, 73757, 140096, 147514, 280192, 295028, 590056, 811327, 1180112, 1622654, 2360224, 3245308, 4720448, 6490616, 9440896, 12981232, 14677643, 25962464, 29355286, 51924928, 58710572, 103849856, 117421144, 161454073, 234842288, 322908146, 469684576, 645816292, 939369152, 1291632584, 1878738304, 2583265168, 5166530336, 10333060672, 20666121344]

約数ペア:

[(1, 20666121344), (2, 10333060672), (4, 5166530336), (8, 2583265168), (11, 1878738304), (16, 1291632584), (22, 939369152), (32, 645816292), (44, 469684576), (64, 322908146), (88, 234842288), (128, 161454073), (176, 117421144), (199, 103849856), (352, 58710572), (398, 51924928), (704, 29355286), (796, 25962464), (1408, 14677643), (1592, 12981232), (2189, 9440896), (3184, 6490616), (4378, 4720448), (6368, 3245308), (8756, 2360224), (12736, 1622654), (17512, 1180112), (25472, 811327), (35024, 590056), (70048, 295028), (73757, 280192), (140096, 147514)]