201961780

素因数分解:

$2^2\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{4259}}^1$

素因数の和:6639

約数の個数: 24

約数和(自身を含む): 424398240

約数和(自身を除く): 222436460

約数列:

[1, 2, 4, 5, 10, 20, 2371, 4259, 4742, 8518, 9484, 11855, 17036, 21295, 23710, 42590, 47420, 85180, 10098089, 20196178, 40392356, 50490445, 100980890, 201961780]

約数ペア:

[(1, 201961780), (2, 100980890), (4, 50490445), (5, 40392356), (10, 20196178), (20, 10098089), (2371, 85180), (4259, 47420), (4742, 42590), (8518, 23710), (9484, 21295), (11855, 17036)]