20268543

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2054

約数の個数: 16

約数和(自身を含む): 28394496

約数和(自身を除く): 8125953

約数列:

[1, 3, 23, 69, 157, 471, 1871, 3611, 5613, 10833, 43033, 129099, 293747, 881241, 6756181, 20268543]

約数ペア:

[(1, 20268543), (3, 6756181), (23, 881241), (69, 293747), (157, 129099), (471, 43033), (1871, 10833), (3611, 5613)]