20905544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{237563}}^1$

素因数の和:237580

約数の個数: 16

約数和(自身を含む): 42761520

約数和(自身を除く): 21855976

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 237563, 475126, 950252, 1900504, 2613193, 5226386, 10452772, 20905544]

約数ペア:

[(1, 20905544), (2, 10452772), (4, 5226386), (8, 2613193), (11, 1900504), (22, 950252), (44, 475126), (88, 237563)]