20964903

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2819}}^1$

素因数の和:2926

約数の個数: 16

約数和(自身を含む): 29147520

約数和(自身を除く): 8182617

約数列:

[1, 3, 37, 67, 111, 201, 2479, 2819, 7437, 8457, 104303, 188873, 312909, 566619, 6988301, 20964903]

約数ペア:

[(1, 20964903), (3, 6988301), (37, 566619), (67, 312909), (111, 188873), (201, 104303), (2479, 8457), (2819, 7437)]