20802639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48491}}^1$

素因数の和:48518

約数の個数: 16

約数和(自身を含む): 32586624

約数和(自身を除く): 11783985

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48491, 145473, 533401, 630383, 1600203, 1891149, 6934213, 20802639]

約数ペア:

[(1, 20802639), (3, 6934213), (11, 1891149), (13, 1600203), (33, 630383), (39, 533401), (143, 145473), (429, 48491)]