20572258

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9127}}^1$

素因数の和:9166

約数の個数: 24

約数和(自身を含む): 37461312

約数和(自身を除く): 16889054

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9127, 18254, 63889, 127778, 209921, 419842, 447223, 894446, 1469447, 2938894, 10286129, 20572258]

約数ペア:

[(1, 20572258), (2, 10286129), (7, 2938894), (14, 1469447), (23, 894446), (46, 447223), (49, 419842), (98, 209921), (161, 127778), (322, 63889), (1127, 18254), (2254, 9127)]