20208969

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7039}}^1$

素因数の和:7085

約数の個数: 24

約数和(自身を含む): 32947200

約数和(自身を除く): 12738231

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7039, 21117, 63351, 77429, 204131, 232287, 612393, 696861, 1837179, 2245441, 6736323, 20208969]

約数ペア:

[(1, 20208969), (3, 6736323), (9, 2245441), (11, 1837179), (29, 696861), (33, 612393), (87, 232287), (99, 204131), (261, 77429), (319, 63351), (957, 21117), (2871, 7039)]