20205874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5591}}^1$

素因数の和:5745

約数の個数: 16

約数和(自身を含む): 32880960

約数和(自身を除く): 12675086

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5591, 11182, 72683, 145366, 777149, 1554298, 10102937, 20205874]

約数ペア:

[(1, 20205874), (2, 10102937), (13, 1554298), (26, 777149), (139, 145366), (278, 72683), (1807, 11182), (3614, 5591)]