20681670318

素因数分解:

$2^1\times 3^1\times {\mathrm{2459}}^1\times {\mathrm{1401767}}^1$

素因数の和:1404231

約数の個数: 16

約数和(自身を含む): 41380191360

約数和(自身を除く): 20698521042

約数列:

[1, 2, 3, 6, 2459, 4918, 7377, 14754, 1401767, 2803534, 4205301, 8410602, 3446945053, 6893890106, 10340835159, 20681670318]

約数ペア:

[(1, 20681670318), (2, 10340835159), (3, 6893890106), (6, 3446945053), (2459, 8410602), (4918, 4205301), (7377, 2803534), (14754, 1401767)]