20791085

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 30627072

約数和(自身を除く): 9835987

約数列:

[1, 5, 7, 17, 35, 83, 85, 119, 415, 421, 581, 595, 1411, 2105, 2905, 2947, 7055, 7157, 9877, 14735, 34943, 35785, 49385, 50099, 174715, 244601, 250495, 594031, 1223005, 2970155, 4158217, 20791085]

約数ペア:

[(1, 20791085), (5, 4158217), (7, 2970155), (17, 1223005), (35, 594031), (83, 250495), (85, 244601), (119, 174715), (415, 50099), (421, 49385), (581, 35785), (595, 34943), (1411, 14735), (2105, 9877), (2905, 7157), (2947, 7055)]