20735479

素因数分解:

${\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:918

約数の個数: 12

約数和(自身を含む): 22219920

約数和(自身を除く): 1484441

約数列:

[1, 19, 71, 361, 809, 1349, 15371, 25631, 57439, 292049, 1091341, 20735479]

約数ペア:

[(1, 20735479), (19, 1091341), (71, 292049), (361, 57439), (809, 25631), (1349, 15371)]