20005557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{46633}}^1$

素因数の和:46660

約数の個数: 16

約数和(自身を含む): 31338048

約数和(自身を除く): 11332491

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 46633, 139899, 512963, 606229, 1538889, 1818687, 6668519, 20005557]

約数ペア:

[(1, 20005557), (3, 6668519), (11, 1818687), (13, 1538889), (33, 606229), (39, 512963), (143, 139899), (429, 46633)]