20793157

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 26882496

約数和(自身を除く): 6089339

約数列:

[1, 7, 11, 31, 77, 217, 281, 341, 961, 1967, 2387, 3091, 6727, 8711, 10571, 21637, 60977, 73997, 95821, 270041, 670747, 1890287, 2970451, 20793157]

約数ペア:

[(1, 20793157), (7, 2970451), (11, 1890287), (31, 670747), (77, 270041), (217, 95821), (281, 73997), (341, 60977), (961, 21637), (1967, 10571), (2387, 8711), (3091, 6727)]