20199704

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15683}}^1$

素因数の和:15719

約数の個数: 32

約数和(自身を含む): 45169920

約数和(自身を除く): 24970216

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15683, 31366, 62732, 109781, 125464, 219562, 360709, 439124, 721418, 878248, 1442836, 2524963, 2885672, 5049926, 10099852, 20199704]

約数ペア:

[(1, 20199704), (2, 10099852), (4, 5049926), (7, 2885672), (8, 2524963), (14, 1442836), (23, 878248), (28, 721418), (46, 439124), (56, 360709), (92, 219562), (161, 125464), (184, 109781), (322, 62732), (644, 31366), (1288, 15683)]