20568233

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3044

約数の個数: 16

約数和(自身を含む): 25107456

約数和(自身を除く): 4539223

約数列:

[1, 7, 23, 43, 161, 301, 989, 2971, 6923, 20797, 68333, 127753, 478331, 894271, 2938319, 20568233]

約数ペア:

[(1, 20568233), (7, 2938319), (23, 894271), (43, 478331), (161, 127753), (301, 68333), (989, 20797), (2971, 6923)]