20701989

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29873}}^1$

素因数の和:29897

約数の個数: 24

約数和(自身を含む): 37282752

約数和(自身を除く): 16580763

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29873, 89619, 209111, 268857, 328603, 627333, 985809, 1881999, 2300221, 2957427, 6900663, 20701989]

約数ペア:

[(1, 20701989), (3, 6900663), (7, 2957427), (9, 2300221), (11, 1881999), (21, 985809), (33, 627333), (63, 328603), (77, 268857), (99, 209111), (231, 89619), (693, 29873)]