20811837

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7573443

約数列:

[1, 3, 59, 177, 307, 383, 921, 1149, 18113, 22597, 54339, 67791, 117581, 352743, 6937279, 20811837]

約数ペア:

[(1, 20811837), (3, 6937279), (59, 352743), (177, 117581), (307, 67791), (383, 54339), (921, 22597), (1149, 18113)]