20102823

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1165

約数の個数: 40

約数和(自身を含む): 34273008

約数和(自身を除く): 14170185

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1123, 1377, 1989, 3369, 5967, 10107, 14599, 17901, 19091, 30321, 43797, 57273, 90963, 131391, 171819, 248183, 394173, 515457, 744549, 1182519, 1546371, 2233647, 6700941, 20102823]

約数ペア:

[(1, 20102823), (3, 6700941), (9, 2233647), (13, 1546371), (17, 1182519), (27, 744549), (39, 515457), (51, 394173), (81, 248183), (117, 171819), (153, 131391), (221, 90963), (351, 57273), (459, 43797), (663, 30321), (1053, 19091), (1123, 17901), (1377, 14599), (1989, 10107), (3369, 5967)]