20365576

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4723}}^1$

素因数の和:4754

約数の個数: 48

約数和(自身を含む): 48468240

約数和(自身を除く): 28102664

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4723, 9446, 18892, 33061, 37784, 51953, 66122, 103906, 132244, 207812, 231427, 264488, 363671, 415624, 462854, 727342, 925708, 1454684, 1851416, 2545697, 2909368, 5091394, 10182788, 20365576]

約数ペア:

[(1, 20365576), (2, 10182788), (4, 5091394), (7, 2909368), (8, 2545697), (11, 1851416), (14, 1454684), (22, 925708), (28, 727342), (44, 462854), (49, 415624), (56, 363671), (77, 264488), (88, 231427), (98, 207812), (154, 132244), (196, 103906), (308, 66122), (392, 51953), (539, 37784), (616, 33061), (1078, 18892), (2156, 9446), (4312, 4723)]