20807521049

素因数分解:

$7^1\times {\mathrm{617}}^1\times {\mathrm{1709}}^1\times {\mathrm{2819}}^1$

素因数の和:5152

約数の個数: 16

約数和(自身を含む): 23840956800

約数和(自身を除く): 3033435751

約数列:

[1, 7, 617, 1709, 2819, 4319, 11963, 19733, 1054453, 1739323, 4817671, 7381171, 12175261, 33723697, 2972503007, 20807521049]

約数ペア:

[(1, 20807521049), (7, 2972503007), (617, 33723697), (1709, 12175261), (2819, 7381171), (4319, 4817671), (11963, 1739323), (19733, 1054453)]