20320851

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1783}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 28258560

約数和(自身を除く): 7937709

約数列:

[1, 3, 29, 87, 131, 393, 1783, 3799, 5349, 11397, 51707, 155121, 233573, 700719, 6773617, 20320851]

約数ペア:

[(1, 20320851), (3, 6773617), (29, 700719), (87, 233573), (131, 155121), (393, 51707), (1783, 11397), (3799, 5349)]