20593790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4391}}^1$

素因数の和:4472

約数の個数: 32

約数和(自身を含む): 43006464

約数和(自身を除く): 22412674

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4391, 4690, 8782, 21955, 30737, 43910, 61474, 153685, 294197, 307370, 588394, 1470985, 2059379, 2941970, 4118758, 10296895, 20593790]

約数ペア:

[(1, 20593790), (2, 10296895), (5, 4118758), (7, 2941970), (10, 2059379), (14, 1470985), (35, 588394), (67, 307370), (70, 294197), (134, 153685), (335, 61474), (469, 43910), (670, 30737), (938, 21955), (2345, 8782), (4391, 4690)]