20125881

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10211}}^1$

素因数の和:10293

約数の個数: 16

約数和(自身を含む): 30227520

約数和(自身を除く): 10101639

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10211, 30633, 91899, 275697, 745403, 2236209, 6708627, 20125881]

約数ペア:

[(1, 20125881), (3, 6708627), (9, 2236209), (27, 745403), (73, 275697), (219, 91899), (657, 30633), (1971, 10211)]