20368817

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5281}}^1$

素因数の和:5336

約数の個数: 16

約数和(自身を含む): 25353600

約数和(自身を除く): 4984783

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5281, 36967, 100339, 153149, 702373, 1072043, 2909831, 20368817]

約数ペア:

[(1, 20368817), (7, 2909831), (19, 1072043), (29, 702373), (133, 153149), (203, 100339), (551, 36967), (3857, 5281)]