20998327894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1440017}}^1$

素因数の和:1440359

約数の個数: 16

約数和(自身を含む): 32970652128

約数和(自身を除く): 11972324234

約数列:

[1, 2, 23, 46, 317, 634, 7291, 14582, 1440017, 2880034, 33120391, 66240782, 456485389, 912970778, 10499163947, 20998327894]

約数ペア:

[(1, 20998327894), (2, 10499163947), (23, 912970778), (46, 456485389), (317, 66240782), (634, 33120391), (7291, 2880034), (14582, 1440017)]