20386509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47521}}^1$

素因数の和:47548

約数の個数: 16

約数和(自身を含む): 31934784

約数和(自身を除く): 11548275

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47521, 142563, 522731, 617773, 1568193, 1853319, 6795503, 20386509]

約数ペア:

[(1, 20386509), (3, 6795503), (11, 1853319), (13, 1568193), (33, 617773), (39, 522731), (143, 142563), (429, 47521)]