20646309

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 28382400

約数和(自身を除く): 7736091

約数列:

[1, 3, 53, 89, 159, 267, 1459, 4377, 4717, 14151, 77327, 129851, 231981, 389553, 6882103, 20646309]

約数ペア:

[(1, 20646309), (3, 6882103), (53, 389553), (89, 231981), (159, 129851), (267, 77327), (1459, 14151), (4377, 4717)]