20511063

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1933}}^1$

素因数の和:2076

約数の個数: 20

約数和(自身を含む): 30889848

約数和(自身を除く): 10378785

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 1933, 3537, 5799, 10611, 17397, 52191, 156573, 253223, 759669, 2279007, 6837021, 20511063]

約数ペア:

[(1, 20511063), (3, 6837021), (9, 2279007), (27, 759669), (81, 253223), (131, 156573), (393, 52191), (1179, 17397), (1933, 10611), (3537, 5799)]