20129384048

素因数分解:

$2^4\times {\mathrm{8087}}^1\times {\mathrm{155569}}^1$

素因数の和:163664

約数の個数: 20

約数和(自身を含む): 39005754960

約数和(自身を除く): 18876370912

約数列:

[1, 2, 4, 8, 16, 8087, 16174, 32348, 64696, 129392, 155569, 311138, 622276, 1244552, 2489104, 1258086503, 2516173006, 5032346012, 10064692024, 20129384048]

約数ペア:

[(1, 20129384048), (2, 10064692024), (4, 5032346012), (8, 2516173006), (16, 1258086503), (8087, 2489104), (16174, 1244552), (32348, 622276), (64696, 311138), (129392, 155569)]