20771744

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1973}}^1$

素因数の和:2037

約数の個数: 48

約数和(自身を含む): 47755008

約数和(自身を除く): 26983264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 1973, 2632, 3946, 5264, 7892, 10528, 13811, 15784, 27622, 31568, 55244, 63136, 92731, 110488, 185462, 220976, 370924, 441952, 649117, 741848, 1298234, 1483696, 2596468, 2967392, 5192936, 10385872, 20771744]

約数ペア:

[(1, 20771744), (2, 10385872), (4, 5192936), (7, 2967392), (8, 2596468), (14, 1483696), (16, 1298234), (28, 741848), (32, 649117), (47, 441952), (56, 370924), (94, 220976), (112, 185462), (188, 110488), (224, 92731), (329, 63136), (376, 55244), (658, 31568), (752, 27622), (1316, 15784), (1504, 13811), (1973, 10528), (2632, 7892), (3946, 5264)]