20017317

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8167}}^1$

素因数の和:8232

約数の個数: 16

約数和(自身を含む): 28751360

約数和(自身を除く): 8734043

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8167, 24501, 155173, 351181, 465519, 1053543, 6672439, 20017317]

約数ペア:

[(1, 20017317), (3, 6672439), (19, 1053543), (43, 465519), (57, 351181), (129, 155173), (817, 24501), (2451, 8167)]