20097469

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2976

約数の個数: 16

約数和(自身を含む): 24532992

約数和(自身を除く): 4435523

約数列:

[1, 7, 23, 43, 161, 301, 989, 2903, 6923, 20321, 66769, 124829, 467383, 873803, 2871067, 20097469]

約数ペア:

[(1, 20097469), (7, 2871067), (23, 873803), (43, 467383), (161, 124829), (301, 66769), (989, 20321), (2903, 6923)]