20575198

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 36504000

約数和(自身を除く): 15928802

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 337, 343, 623, 674, 686, 1246, 2359, 4361, 4718, 8722, 16513, 29993, 30527, 33026, 59986, 61054, 115591, 209951, 231182, 419902, 1469657, 2939314, 10287599, 20575198]

約数ペア:

[(1, 20575198), (2, 10287599), (7, 2939314), (14, 1469657), (49, 419902), (89, 231182), (98, 209951), (178, 115591), (337, 61054), (343, 59986), (623, 33026), (674, 30527), (686, 29993), (1246, 16513), (2359, 8722), (4361, 4718)]