20641994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2753}}^1$

素因数の和:2941

約数の個数: 16

約数和(自身を含む): 32519232

約数和(自身を除く): 11877238

約数列:

[1, 2, 23, 46, 163, 326, 2753, 3749, 5506, 7498, 63319, 126638, 448739, 897478, 10320997, 20641994]

約数ペア:

[(1, 20641994), (2, 10320997), (23, 897478), (46, 448739), (163, 126638), (326, 63319), (2753, 7498), (3749, 5506)]