20811527

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 24254208

約数和(自身を除く): 3442681

約数列:

[1, 11, 23, 43, 253, 473, 989, 1913, 10879, 21043, 43999, 82259, 483989, 904849, 1891957, 20811527]

約数ペア:

[(1, 20811527), (11, 1891957), (23, 904849), (43, 483989), (253, 82259), (473, 43999), (989, 21043), (1913, 10879)]