20118063

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 11511249

約数列:

[1, 3, 7, 21, 71, 103, 131, 213, 309, 393, 497, 721, 917, 1491, 2163, 2751, 7313, 9301, 13493, 21939, 27903, 40479, 51191, 65107, 94451, 153573, 195321, 283353, 958003, 2874009, 6706021, 20118063]

約数ペア:

[(1, 20118063), (3, 6706021), (7, 2874009), (21, 958003), (71, 283353), (103, 195321), (131, 153573), (213, 94451), (309, 65107), (393, 51191), (497, 40479), (721, 27903), (917, 21939), (1491, 13493), (2163, 9301), (2751, 7313)]