20565234081

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1691359}}^1$

素因数の和:1691565

約数の個数: 24

約数和(自身を含む): 34124879360

約数和(自身を除く): 13559645279

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 12159, 1691359, 5074077, 11839513, 15222231, 35518539, 106555617, 326432287, 979296861, 2285026009, 2937890583, 6855078027, 20565234081]

約数ペア:

[(1, 20565234081), (3, 6855078027), (7, 2937890583), (9, 2285026009), (21, 979296861), (63, 326432287), (193, 106555617), (579, 35518539), (1351, 15222231), (1737, 11839513), (4053, 5074077), (12159, 1691359)]