20487753

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15919}}^1$

素因数の和:15949

約数の個数: 24

約数和(自身を含む): 34769280

約数和(自身を除く): 14281527

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15919, 47757, 143271, 175109, 206947, 525327, 620841, 1575981, 1862523, 2276417, 6829251, 20487753]

約数ペア:

[(1, 20487753), (3, 6829251), (9, 2276417), (11, 1862523), (13, 1575981), (33, 620841), (39, 525327), (99, 206947), (117, 175109), (143, 143271), (429, 47757), (1287, 15919)]