20551377

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 14423343

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 2069, 3311, 6207, 9933, 14483, 22759, 43449, 68277, 88967, 159313, 266901, 477939, 622769, 978637, 1868307, 2935911, 6850459, 20551377]

約数ペア:

[(1, 20551377), (3, 6850459), (7, 2935911), (11, 1868307), (21, 978637), (33, 622769), (43, 477939), (77, 266901), (129, 159313), (231, 88967), (301, 68277), (473, 43449), (903, 22759), (1419, 14483), (2069, 9933), (3311, 6207)]