20646517

素因数分解:

${\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 22505472

約数和(自身を除く): 1858955

約数列:

[1, 17, 73, 127, 131, 1241, 2159, 2227, 9271, 9563, 16637, 157607, 162571, 282829, 1214501, 20646517]

約数ペア:

[(1, 20646517), (17, 1214501), (73, 282829), (127, 162571), (131, 157607), (1241, 16637), (2159, 9563), (2227, 9271)]