20079670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154459}}^1$

素因数の和:154479

約数の個数: 16

約数和(自身を含む): 38923920

約数和(自身を除く): 18844250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154459, 308918, 772295, 1544590, 2007967, 4015934, 10039835, 20079670]

約数ペア:

[(1, 20079670), (2, 10039835), (5, 4015934), (10, 2007967), (13, 1544590), (26, 772295), (65, 308918), (130, 154459)]