20585789

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 24053760

約数和(自身を除く): 3467971

約数列:

[1, 7, 89, 173, 191, 623, 1211, 1337, 15397, 16999, 33043, 107779, 118993, 231301, 2940827, 20585789]

約数ペア:

[(1, 20585789), (7, 2940827), (89, 231301), (173, 118993), (191, 107779), (623, 33043), (1211, 16999), (1337, 15397)]