20052459

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4483}}^1$

素因数の和:4567

約数の個数: 24

約数和(自身を含む): 33576192

約数和(自身を除く): 13523733

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4483, 13449, 31381, 40347, 94143, 282429, 318293, 954879, 2228051, 2864637, 6684153, 20052459]

約数ペア:

[(1, 20052459), (3, 6684153), (7, 2864637), (9, 2228051), (21, 954879), (63, 318293), (71, 282429), (213, 94143), (497, 40347), (639, 31381), (1491, 13449), (4473, 4483)]