20784008

素因数分解:

$2^3\times 7^1\times {\mathrm{371143}}^1$

素因数の和:371156

約数の個数: 16

約数和(自身を含む): 44537280

約数和(自身を除く): 23753272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 371143, 742286, 1484572, 2598001, 2969144, 5196002, 10392004, 20784008]

約数ペア:

[(1, 20784008), (2, 10392004), (4, 5196002), (7, 2969144), (8, 2598001), (14, 1484572), (28, 742286), (56, 371143)]