20049491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11321}}^1$

素因数の和:11362

約数の個数: 16

約数和(自身を含む): 26085888

約数和(自身を除く): 6036397

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11321, 79247, 124531, 260383, 871717, 1822681, 2864213, 20049491]

約数ペア:

[(1, 20049491), (7, 2864213), (11, 1822681), (23, 871717), (77, 260383), (161, 124531), (253, 79247), (1771, 11321)]