20280099

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56807}}^1$

素因数の和:56834

約数の個数: 16

約数和(自身を含む): 32721408

約数和(自身を除く): 12441309

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56807, 170421, 397649, 965719, 1192947, 2897157, 6760033, 20280099]

約数ペア:

[(1, 20280099), (3, 6760033), (7, 2897157), (17, 1192947), (21, 965719), (51, 397649), (119, 170421), (357, 56807)]