20426336

素因数分解:

$2^5\times 7^3\times {\mathrm{1861}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 46922400

約数和(自身を除く): 26496064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 1861, 2744, 3722, 5488, 7444, 10976, 13027, 14888, 26054, 29776, 52108, 59552, 91189, 104216, 182378, 208432, 364756, 416864, 638323, 729512, 1276646, 1459024, 2553292, 2918048, 5106584, 10213168, 20426336]

約数ペア:

[(1, 20426336), (2, 10213168), (4, 5106584), (7, 2918048), (8, 2553292), (14, 1459024), (16, 1276646), (28, 729512), (32, 638323), (49, 416864), (56, 364756), (98, 208432), (112, 182378), (196, 104216), (224, 91189), (343, 59552), (392, 52108), (686, 29776), (784, 26054), (1372, 14888), (1568, 13027), (1861, 10976), (2744, 7444), (3722, 5488)]