20424981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6761}}^1$

素因数の和:6836

約数の個数: 16

約数和(自身を含む): 29211840

約数和(自身を除く): 8786859

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6761, 20283, 128459, 358333, 385377, 1074999, 6808327, 20424981]

約数ペア:

[(1, 20424981), (3, 6808327), (19, 1074999), (53, 385377), (57, 358333), (159, 128459), (1007, 20283), (3021, 6761)]