20869849

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20849}}^1$

素因数の和:20880

約数の個数: 16

約数和(自身を含む): 28022400

約数和(自身を除く): 7152551

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20849, 145943, 229339, 271037, 1605373, 1897259, 2981407, 20869849]

約数ペア:

[(1, 20869849), (7, 2981407), (11, 1897259), (13, 1605373), (77, 271037), (91, 229339), (143, 145943), (1001, 20849)]