20048457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2793

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 13215543

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 2749, 7293, 8247, 30239, 35737, 46733, 90717, 107211, 140199, 393107, 514063, 607529, 1179321, 1542189, 1822587, 6682819, 20048457]

約数ペア:

[(1, 20048457), (3, 6682819), (11, 1822587), (13, 1542189), (17, 1179321), (33, 607529), (39, 514063), (51, 393107), (143, 140199), (187, 107211), (221, 90717), (429, 46733), (561, 35737), (663, 30239), (2431, 8247), (2749, 7293)]