20199665217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{118691}}^1$

素因数の和:118829

約数の個数: 32

約数和(自身を含む): 29534367744

約数和(自身を除く): 9334702527

約数列:

[1, 3, 17, 47, 51, 71, 141, 213, 799, 1207, 2397, 3337, 3621, 10011, 56729, 118691, 170187, 356073, 2017747, 5578477, 6053241, 8427061, 16735431, 25281183, 94834109, 143260037, 284502327, 396071867, 429780111, 1188215601, 6733221739, 20199665217]

約数ペア:

[(1, 20199665217), (3, 6733221739), (17, 1188215601), (47, 429780111), (51, 396071867), (71, 284502327), (141, 143260037), (213, 94834109), (799, 25281183), (1207, 16735431), (2397, 8427061), (3337, 6053241), (3621, 5578477), (10011, 2017747), (56729, 356073), (118691, 170187)]