20961598

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78803}}^1$

素因数の和:78831

約数の個数: 16

約数和(自身を含む): 37825920

約数和(自身を除く): 16864322

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78803, 157606, 551621, 1103242, 1497257, 2994514, 10480799, 20961598]

約数ペア:

[(1, 20961598), (2, 10480799), (7, 2994514), (14, 1497257), (19, 1103242), (38, 551621), (133, 157606), (266, 78803)]