20412997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 2603963

約数列:

[1, 11, 59, 71, 443, 649, 781, 4189, 4873, 26137, 31453, 46079, 287507, 345983, 1855727, 20412997]

約数ペア:

[(1, 20412997), (11, 1855727), (59, 345983), (71, 287507), (443, 46079), (649, 31453), (781, 26137), (4189, 4873)]