20526669

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40013}}^1$

素因数の和:40041

約数の個数: 16

約数和(自身を含む): 32011200

約数和(自身を除く): 11484531

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40013, 120039, 360117, 760247, 1080351, 2280741, 6842223, 20526669]

約数ペア:

[(1, 20526669), (3, 6842223), (9, 2280741), (19, 1080351), (27, 760247), (57, 360117), (171, 120039), (513, 40013)]