20437585

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3919}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 28224000

約数和(自身を除く): 7786415

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3919, 5215, 19595, 27433, 137165, 583931, 2919655, 4087517, 20437585]

約数ペア:

[(1, 20437585), (5, 4087517), (7, 2919655), (35, 583931), (149, 137165), (745, 27433), (1043, 19595), (3919, 5215)]