20551317

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{10891}}^1$

素因数の和:10948

約数の個数: 16

約数和(自身を含む): 29800512

約数和(自身を除く): 9249195

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 10891, 32673, 185147, 402967, 555441, 1208901, 6850439, 20551317]

約数ペア:

[(1, 20551317), (3, 6850439), (17, 1208901), (37, 555441), (51, 402967), (111, 185147), (629, 32673), (1887, 10891)]