20948763

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8941}}^1$

素因数の和:9026

約数の個数: 16

約数和(自身を含む): 30903552

約数和(自身を除く): 9954789

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8941, 26823, 98351, 295053, 634811, 1904433, 6982921, 20948763]

約数ペア:

[(1, 20948763), (3, 6982921), (11, 1904433), (33, 634811), (71, 295053), (213, 98351), (781, 26823), (2343, 8941)]