20327220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37643}}^1$

素因数の和:37661

約数の個数: 48

約数和(自身を含む): 63241920

約数和(自身を除く): 42914700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37643, 75286, 112929, 150572, 188215, 225858, 338787, 376430, 451716, 564645, 677574, 752860, 1016361, 1129290, 1355148, 1693935, 2032722, 2258580, 3387870, 4065444, 5081805, 6775740, 10163610, 20327220]

約数ペア:

[(1, 20327220), (2, 10163610), (3, 6775740), (4, 5081805), (5, 4065444), (6, 3387870), (9, 2258580), (10, 2032722), (12, 1693935), (15, 1355148), (18, 1129290), (20, 1016361), (27, 752860), (30, 677574), (36, 564645), (45, 451716), (54, 376430), (60, 338787), (90, 225858), (108, 188215), (135, 150572), (180, 112929), (270, 75286), (540, 37643)]