20176470489

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9328003}}^1$

素因数の和:9328116

約数の個数: 16

約数和(自身を含む): 31043597312

約数和(自身を除く): 10867126823

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9328003, 27984009, 65296021, 195888063, 960784309, 2882352927, 6725490163, 20176470489]

約数ペア:

[(1, 20176470489), (3, 6725490163), (7, 2882352927), (21, 960784309), (103, 195888063), (309, 65296021), (721, 27984009), (2163, 9328003)]