20322478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40163}}^1$

素因数の和:40199

約数の個数: 16

約数和(自身を含む): 34701696

約数和(自身を除く): 14379218

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40163, 80326, 441793, 883586, 923749, 1847498, 10161239, 20322478]

約数ペア:

[(1, 20322478), (2, 10161239), (11, 1847498), (22, 923749), (23, 883586), (46, 441793), (253, 80326), (506, 40163)]