20699829

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 31867992

約数和(自身を除く): 11168163

約数列:

[1, 3, 9, 17, 51, 153, 193, 579, 701, 1737, 2103, 3281, 6309, 9843, 11917, 29529, 35751, 107253, 135293, 405879, 1217637, 2299981, 6899943, 20699829]

約数ペア:

[(1, 20699829), (3, 6899943), (9, 2299981), (17, 1217637), (51, 405879), (153, 135293), (193, 107253), (579, 35751), (701, 29529), (1737, 11917), (2103, 9843), (3281, 6309)]