20887191

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1069}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 32716320

約数和(自身を除く): 11829129

約数列:

[1, 3, 9, 13, 39, 117, 167, 501, 1069, 1503, 2171, 3207, 6513, 9621, 13897, 19539, 41691, 125073, 178523, 535569, 1606707, 2320799, 6962397, 20887191]

約数ペア:

[(1, 20887191), (3, 6962397), (9, 2320799), (13, 1606707), (39, 535569), (117, 178523), (167, 125073), (501, 41691), (1069, 19539), (1503, 13897), (2171, 9621), (3207, 6513)]