20265819

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56767}}^1$

素因数の和:56794

約数の個数: 16

約数和(自身を含む): 32698368

約数和(自身を除く): 12432549

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56767, 170301, 397369, 965039, 1192107, 2895117, 6755273, 20265819]

約数ペア:

[(1, 20265819), (3, 6755273), (7, 2895117), (17, 1192107), (21, 965039), (51, 397369), (119, 170301), (357, 56767)]