20708585

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 25861440

約数和(自身を除く): 5152855

約数列:

[1, 5, 43, 61, 215, 305, 1579, 2623, 7895, 13115, 67897, 96319, 339485, 481595, 4141717, 20708585]

約数ペア:

[(1, 20708585), (5, 4141717), (43, 481595), (61, 339485), (215, 96319), (305, 67897), (1579, 13115), (2623, 7895)]