20321756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55829}}^1$

素因数の和:55853

約数の個数: 24

約数和(自身を含む): 43770720

約数和(自身を除く): 23448964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55829, 111658, 223316, 390803, 725777, 781606, 1451554, 1563212, 2903108, 5080439, 10160878, 20321756]

約数ペア:

[(1, 20321756), (2, 10160878), (4, 5080439), (7, 2903108), (13, 1563212), (14, 1451554), (26, 781606), (28, 725777), (52, 390803), (91, 223316), (182, 111658), (364, 55829)]