20679531

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5711}}^1$

素因数の和:5802

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 8931477

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5711, 17133, 97087, 291261, 405481, 1216443, 6893177, 20679531]

約数ペア:

[(1, 20679531), (3, 6893177), (17, 1216443), (51, 405481), (71, 291261), (213, 97087), (1207, 17133), (3621, 5711)]