20671310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{187921}}^1$

素因数の和:187939

約数の個数: 16

約数和(自身を含む): 40591152

約数和(自身を除く): 19919842

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 187921, 375842, 939605, 1879210, 2067131, 4134262, 10335655, 20671310]

約数ペア:

[(1, 20671310), (2, 10335655), (5, 4134262), (10, 2067131), (11, 1879210), (22, 939605), (55, 375842), (110, 187921)]