20419377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26903}}^1$

素因数の和:26940

約数の個数: 16

約数和(自身を含む): 30993408

約数和(自身を除く): 10574031

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26903, 80709, 295933, 618769, 887799, 1856307, 6806459, 20419377]

約数ペア:

[(1, 20419377), (3, 6806459), (11, 1856307), (23, 887799), (33, 618769), (69, 295933), (253, 80709), (759, 26903)]