20395839

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 27828864

約数和(自身を除く): 7433025

約数列:

[1, 3, 83, 101, 249, 303, 811, 2433, 8383, 25149, 67313, 81911, 201939, 245733, 6798613, 20395839]

約数ペア:

[(1, 20395839), (3, 6798613), (83, 245733), (101, 201939), (249, 81911), (303, 67313), (811, 25149), (2433, 8383)]