20744857567

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1328351}}^1$

素因数の和:1328478

約数の個数: 16

約数和(自身を含む): 24994271232

約数和(自身を除く): 4249413665

約数列:

[1, 7, 23, 97, 161, 679, 2231, 15617, 1328351, 9298457, 30552073, 128850047, 213864511, 901950329, 2963551081, 20744857567]

約数ペア:

[(1, 20744857567), (7, 2963551081), (23, 901950329), (97, 213864511), (161, 128850047), (679, 30552073), (2231, 9298457), (15617, 1328351)]