20939302

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:711

約数の個数: 16

約数和(自身を含む): 31878000

約数和(自身を除く): 10938698

約数列:

[1, 2, 131, 229, 262, 349, 458, 698, 29999, 45719, 59998, 79921, 91438, 159842, 10469651, 20939302]

約数ペア:

[(1, 20939302), (2, 10469651), (131, 159842), (229, 91438), (262, 79921), (349, 59998), (458, 45719), (698, 29999)]