20239890209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{77699}}^1$

素因数の和:77933

約数の個数: 32

約数和(自身を含む): 26853120000

約数和(自身を除く): 6613229791

約数列:

[1, 7, 11, 17, 77, 119, 187, 199, 1309, 1393, 2189, 3383, 15323, 23681, 37213, 77699, 260491, 543893, 854689, 1320883, 5982823, 9246181, 14529713, 15462101, 101707991, 108234707, 170083111, 262855717, 1190581777, 1839990019, 2891412887, 20239890209]

約数ペア:

[(1, 20239890209), (7, 2891412887), (11, 1839990019), (17, 1190581777), (77, 262855717), (119, 170083111), (187, 108234707), (199, 101707991), (1309, 15462101), (1393, 14529713), (2189, 9246181), (3383, 5982823), (15323, 1320883), (23681, 854689), (37213, 543893), (77699, 260491)]