20690386

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{2017}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 32546304

約数和(自身を除く): 11855918

約数列:

[1, 2, 23, 46, 223, 446, 2017, 4034, 5129, 10258, 46391, 92782, 449791, 899582, 10345193, 20690386]

約数ペア:

[(1, 20690386), (2, 10345193), (23, 899582), (46, 449791), (223, 92782), (446, 46391), (2017, 10258), (4034, 5129)]