20649692

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5807}}^1$

素因数の和:5945

約数の個数: 24

約数和(自身を含む): 41631744

約数和(自身を除く): 20982052

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5807, 11614, 23228, 40649, 81298, 162596, 737489, 1474978, 2949956, 5162423, 10324846, 20649692]

約数ペア:

[(1, 20649692), (2, 10324846), (4, 5162423), (7, 2949956), (14, 1474978), (28, 737489), (127, 162596), (254, 81298), (508, 40649), (889, 23228), (1778, 11614), (3556, 5807)]