20877232

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8311}}^1$

素因数の和:8476

約数の個数: 20

約数和(自身を含む): 40712176

約数和(自身を除く): 19834944

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8311, 16622, 33244, 66488, 132976, 1304827, 2609654, 5219308, 10438616, 20877232]

約数ペア:

[(1, 20877232), (2, 10438616), (4, 5219308), (8, 2609654), (16, 1304827), (157, 132976), (314, 66488), (628, 33244), (1256, 16622), (2512, 8311)]