20005925121

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{115769}}^1$

素因数の和:116006

約数の個数: 48

約数和(自身を含む): 35734957440

約数和(自身を除く): 15729032319

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 211, 273, 633, 819, 1477, 1899, 2743, 4431, 8229, 13293, 19201, 24687, 57603, 115769, 172809, 347307, 810383, 1041921, 1504997, 2431149, 4514991, 7293447, 10534979, 13544973, 24427259, 31604937, 73281777, 94814811, 170990813, 219845331, 317554367, 512972439, 952663101, 1538917317, 2222880569, 2857989303, 6668641707, 20005925121]

約数ペア:

[(1, 20005925121), (3, 6668641707), (7, 2857989303), (9, 2222880569), (13, 1538917317), (21, 952663101), (39, 512972439), (63, 317554367), (91, 219845331), (117, 170990813), (211, 94814811), (273, 73281777), (633, 31604937), (819, 24427259), (1477, 13544973), (1899, 10534979), (2743, 7293447), (4431, 4514991), (8229, 2431149), (13293, 1504997), (19201, 1041921), (24687, 810383), (57603, 347307), (115769, 172809)]