20178393837

素因数分解:

$3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1925603}}^1$

素因数の和:1926112

約数の個数: 16

約数和(自身を含む): 30809664000

約数和(自身を除く): 10631270163

約数列:

[1, 3, 7, 21, 499, 1497, 3493, 10479, 1925603, 5776809, 13479221, 40437663, 960875897, 2882627691, 6726131279, 20178393837]

約数ペア:

[(1, 20178393837), (3, 6726131279), (7, 2882627691), (21, 960875897), (499, 40437663), (1497, 13479221), (3493, 5776809), (10479, 1925603)]