20971623

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{3217}}^1$

素因数の和:3314

約数の個数: 16

約数和(自身を含む): 29193696

約数和(自身を除く): 8222073

約数列:

[1, 3, 41, 53, 123, 159, 2173, 3217, 6519, 9651, 131897, 170501, 395691, 511503, 6990541, 20971623]

約数ペア:

[(1, 20971623), (3, 6990541), (41, 511503), (53, 395691), (123, 170501), (159, 131897), (2173, 9651), (3217, 6519)]