20550387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47903}}^1$

素因数の和:47930

約数の個数: 16

約数和(自身を含む): 32191488

約数和(自身を除く): 11641101

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47903, 143709, 526933, 622739, 1580799, 1868217, 6850129, 20550387]

約数ペア:

[(1, 20550387), (3, 6850129), (11, 1868217), (13, 1580799), (33, 622739), (39, 526933), (143, 143709), (429, 47903)]