20734407

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 12097593

約数列:

[1, 3, 9, 17, 27, 51, 153, 199, 227, 459, 597, 681, 1791, 2043, 3383, 3859, 5373, 6129, 10149, 11577, 30447, 34731, 45173, 91341, 104193, 135519, 406557, 767941, 1219671, 2303823, 6911469, 20734407]

約数ペア:

[(1, 20734407), (3, 6911469), (9, 2303823), (17, 1219671), (27, 767941), (51, 406557), (153, 135519), (199, 104193), (227, 91341), (459, 45173), (597, 34731), (681, 30447), (1791, 11577), (2043, 10149), (3383, 6129), (3859, 5373)]