20663343

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{3593}}^1$

素因数の和:3676

約数の個数: 20

約数和(自身を含む): 31310928

約数和(自身を除く): 10647585

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 3593, 5751, 10779, 32337, 97011, 255103, 291033, 765309, 2295927, 6887781, 20663343]

約数ペア:

[(1, 20663343), (3, 6887781), (9, 2295927), (27, 765309), (71, 291033), (81, 255103), (213, 97011), (639, 32337), (1917, 10779), (3593, 5751)]