20403207

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10847}}^1$

素因数の和:10883

約数の個数: 24

約数和(自身を含む): 33845760

約数和(自身を除く): 13442553

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10847, 32541, 97623, 119317, 206093, 357951, 618279, 1073853, 1854837, 2267023, 6801069, 20403207]

約数ペア:

[(1, 20403207), (3, 6801069), (9, 2267023), (11, 1854837), (19, 1073853), (33, 618279), (57, 357951), (99, 206093), (171, 119317), (209, 97623), (627, 32541), (1881, 10847)]