20187123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26597}}^1$

素因数の和:26634

約数の個数: 16

約数和(自身を含む): 30640896

約数和(自身を除く): 10453773

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26597, 79791, 292567, 611731, 877701, 1835193, 6729041, 20187123]

約数ペア:

[(1, 20187123), (3, 6729041), (11, 1835193), (23, 877701), (33, 611731), (69, 292567), (253, 79791), (759, 26597)]