20646951

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{839}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 29729280

約数和(自身を除く): 9082329

約数列:

[1, 3, 13, 39, 631, 839, 1893, 2517, 8203, 10907, 24609, 32721, 529409, 1588227, 6882317, 20646951]

約数ペア:

[(1, 20646951), (3, 6882317), (13, 1588227), (39, 529409), (631, 32721), (839, 24609), (1893, 10907), (2517, 8203)]