20556193

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1$

素因数の和:2284

約数の個数: 16

約数和(自身を含む): 24825856

約数和(自身を除く): 4269663

約数列:

[1, 7, 31, 43, 217, 301, 1333, 2203, 9331, 15421, 68293, 94729, 478051, 663103, 2936599, 20556193]

約数ペア:

[(1, 20556193), (7, 2936599), (31, 663103), (43, 478051), (217, 94729), (301, 68293), (1333, 15421), (2203, 9331)]