20373939

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 33078240

約数和(自身を除く): 12704301

約数列:

[1, 3, 9, 17, 37, 51, 59, 61, 111, 153, 177, 183, 333, 531, 549, 629, 1003, 1037, 1887, 2183, 2257, 3009, 3111, 3599, 5661, 6549, 6771, 9027, 9333, 10797, 19647, 20313, 32391, 37111, 38369, 61183, 111333, 115107, 133163, 183549, 333999, 345321, 399489, 550647, 1198467, 2263771, 6791313, 20373939]

約数ペア:

[(1, 20373939), (3, 6791313), (9, 2263771), (17, 1198467), (37, 550647), (51, 399489), (59, 345321), (61, 333999), (111, 183549), (153, 133163), (177, 115107), (183, 111333), (333, 61183), (531, 38369), (549, 37111), (629, 32391), (1003, 20313), (1037, 19647), (1887, 10797), (2183, 9333), (2257, 9027), (3009, 6771), (3111, 6549), (3599, 5661)]