20147197

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 23656320

約数和(自身を除く): 3509123

約数列:

[1, 7, 73, 89, 443, 511, 623, 3101, 6497, 32339, 39427, 45479, 226373, 275989, 2878171, 20147197]

約数ペア:

[(1, 20147197), (7, 2878171), (73, 275989), (89, 226373), (443, 45479), (511, 39427), (623, 32339), (3101, 6497)]