20731413

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2441}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 29304000

約数和(自身を除く): 8572587

約数列:

[1, 3, 19, 57, 149, 447, 2441, 2831, 7323, 8493, 46379, 139137, 363709, 1091127, 6910471, 20731413]

約数ペア:

[(1, 20731413), (3, 6910471), (19, 1091127), (57, 363709), (149, 139137), (447, 46379), (2441, 8493), (2831, 7323)]