20087328639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{291539}}^1$

素因数の和:291759

約数の個数: 32

約数和(自身を含む): 32577845760

約数和(自身を除く): 12490517121

約数列:

[1, 3, 7, 17, 21, 51, 119, 193, 357, 579, 1351, 3281, 4053, 9843, 22967, 68901, 291539, 874617, 2040773, 4956163, 6122319, 14868489, 34693141, 56267027, 104079423, 168801081, 393869189, 956539459, 1181607567, 2869618377, 6695776213, 20087328639]

約数ペア:

[(1, 20087328639), (3, 6695776213), (7, 2869618377), (17, 1181607567), (21, 956539459), (51, 393869189), (119, 168801081), (193, 104079423), (357, 56267027), (579, 34693141), (1351, 14868489), (3281, 6122319), (4053, 4956163), (9843, 2040773), (22967, 874617), (68901, 291539)]