20685232

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4157}}^1$

素因数の和:4476

約数の個数: 20

約数和(自身を含む): 40216176

約数和(自身を除く): 19530944

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4157, 4976, 8314, 16628, 33256, 66512, 1292827, 2585654, 5171308, 10342616, 20685232]

約数ペア:

[(1, 20685232), (2, 10342616), (4, 5171308), (8, 2585654), (16, 1292827), (311, 66512), (622, 33256), (1244, 16628), (2488, 8314), (4157, 4976)]