20428086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11863}}^1$

素因数の和:11916

約数の個数: 32

約数和(自身を含む): 47835648

約数和(自身を除く): 27407562

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 11863, 23726, 35589, 71178, 83041, 166082, 249123, 486383, 498246, 972766, 1459149, 2918298, 3404681, 6809362, 10214043, 20428086]

約数ペア:

[(1, 20428086), (2, 10214043), (3, 6809362), (6, 3404681), (7, 2918298), (14, 1459149), (21, 972766), (41, 498246), (42, 486383), (82, 249123), (123, 166082), (246, 83041), (287, 71178), (574, 35589), (861, 23726), (1722, 11863)]