20667050

素因数分解:

$2^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{3863}}^1$

素因数の和:3982

約数の個数: 24

約数和(自身を含む): 38810016

約数和(自身を除く): 18142966

約数列:

[1, 2, 5, 10, 25, 50, 107, 214, 535, 1070, 2675, 3863, 5350, 7726, 19315, 38630, 96575, 193150, 413341, 826682, 2066705, 4133410, 10333525, 20667050]

約数ペア:

[(1, 20667050), (2, 10333525), (5, 4133410), (10, 2066705), (25, 826682), (50, 413341), (107, 193150), (214, 96575), (535, 38630), (1070, 19315), (2675, 7726), (3863, 5350)]