20257722

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10139}}^1$

素因数の和:10187

約数の個数: 32

約数和(自身を含む): 46238400

約数和(自身を除く): 25980678

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10139, 20278, 30417, 60834, 91251, 182502, 273753, 375143, 547506, 750286, 1125429, 2250858, 3376287, 6752574, 10128861, 20257722]

約数ペア:

[(1, 20257722), (2, 10128861), (3, 6752574), (6, 3376287), (9, 2250858), (18, 1125429), (27, 750286), (37, 547506), (54, 375143), (74, 273753), (111, 182502), (222, 91251), (333, 60834), (666, 30417), (999, 20278), (1998, 10139)]