20942493

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48817}}^1$

素因数の和:48844

約数の個数: 16

約数和(自身を含む): 32805696

約数和(自身を除く): 11863203

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48817, 146451, 536987, 634621, 1610961, 1903863, 6980831, 20942493]

約数ペア:

[(1, 20942493), (3, 6980831), (11, 1903863), (13, 1610961), (33, 634621), (39, 536987), (143, 146451), (429, 48817)]