20512759701

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1018559}}^1$

素因数の和:1018713

約数の個数: 24

約数和(自身を含む): 32047971840

約数和(自身を除く): 11535212139

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 20139, 1018559, 3055677, 7129913, 21389739, 49909391, 139542583, 149728173, 418627749, 976798081, 2930394243, 6837586567, 20512759701]

約数ペア:

[(1, 20512759701), (3, 6837586567), (7, 2930394243), (21, 976798081), (49, 418627749), (137, 149728173), (147, 139542583), (411, 49909391), (959, 21389739), (2877, 7129913), (6713, 3055677), (20139, 1018559)]