20821017304425168561312837502762890375 is the first odd-abundant number whose factors has a sum of more than 4 times the original number. It is approximately equal to \(2.082 imes 10^{37}\). The prime factorization of this number is: 35 x 53 x 72 x 112 x 13 x 17 x 19 x 23 x 29 x 31 x 37 x 41 x 43 x 47 x 53 x 59 x 61 x 67 x 71 x 73 x 79 x 83