20959295

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9817}}^1$

素因数の和:9890

約数の個数: 16

約数和(自身を含む): 29218368

約数和(自身を除く): 8259073

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9817, 49085, 68719, 343595, 598837, 2994185, 4191859, 20959295]

約数ペア:

[(1, 20959295), (5, 4191859), (7, 2994185), (35, 598837), (61, 343595), (305, 68719), (427, 49085), (2135, 9817)]