20053413

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8537}}^1$

素因数の和:8578

約数の個数: 20

約数和(自身を含む): 30992940

約数和(自身を除く): 10939527

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8537, 25611, 76833, 230499, 247573, 691497, 742719, 2228157, 6684471, 20053413]

約数ペア:

[(1, 20053413), (3, 6684471), (9, 2228157), (27, 742719), (29, 691497), (81, 247573), (87, 230499), (261, 76833), (783, 25611), (2349, 8537)]