20154243

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 27399680

約数和(自身を除く): 7245437

約数列:

[1, 3, 79, 237, 277, 307, 831, 921, 21883, 24253, 65649, 72759, 85039, 255117, 6718081, 20154243]

約数ペア:

[(1, 20154243), (3, 6718081), (79, 255117), (237, 85039), (277, 72759), (307, 65649), (831, 24253), (921, 21883)]