20581272

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9221}}^1$

素因数の和:9264

約数の個数: 48

約数和(自身を含む): 57545280

約数和(自身を除く): 36964008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9221, 18442, 27663, 36884, 55326, 73768, 82989, 110652, 165978, 221304, 285851, 331956, 571702, 663912, 857553, 1143404, 1715106, 2286808, 2572659, 3430212, 5145318, 6860424, 10290636, 20581272]

約数ペア:

[(1, 20581272), (2, 10290636), (3, 6860424), (4, 5145318), (6, 3430212), (8, 2572659), (9, 2286808), (12, 1715106), (18, 1143404), (24, 857553), (31, 663912), (36, 571702), (62, 331956), (72, 285851), (93, 221304), (124, 165978), (186, 110652), (248, 82989), (279, 73768), (372, 55326), (558, 36884), (744, 27663), (1116, 18442), (2232, 9221)]