20704281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27941}}^1$

素因数の和:27976

約数の個数: 16

約数和(自身を含む): 31295040

約数和(自身を除く): 10590759

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27941, 83823, 363233, 530879, 1089699, 1592637, 6901427, 20704281]

約数ペア:

[(1, 20704281), (3, 6901427), (13, 1592637), (19, 1089699), (39, 530879), (57, 363233), (247, 83823), (741, 27941)]