20814783

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3373}}^1$

素因数の和:3415

約数の個数: 24

約数和(自身を含む): 32309424

約数和(自身を除く): 11494641

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3373, 6171, 10119, 37103, 57341, 111309, 172023, 408133, 630751, 1224399, 1892253, 6938261, 20814783]

約数ペア:

[(1, 20814783), (3, 6938261), (11, 1892253), (17, 1224399), (33, 630751), (51, 408133), (121, 172023), (187, 111309), (363, 57341), (561, 37103), (2057, 10119), (3373, 6171)]