20899761

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 28319808

約数和(自身を除く): 7420047

約数列:

[1, 3, 137, 211, 241, 411, 633, 723, 28907, 33017, 50851, 86721, 99051, 152553, 6966587, 20899761]

約数ペア:

[(1, 20899761), (3, 6966587), (137, 152553), (211, 99051), (241, 86721), (411, 50851), (633, 33017), (723, 28907)]