20619945

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6277}}^1$

素因数の和:6361

約数の個数: 24

約数和(自身を含む): 36236616

約数和(自身を除く): 15616671

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6277, 18831, 31385, 56493, 94155, 282465, 458221, 1374663, 2291105, 4123989, 6873315, 20619945]

約数ペア:

[(1, 20619945), (3, 6873315), (5, 4123989), (9, 2291105), (15, 1374663), (45, 458221), (73, 282465), (219, 94155), (365, 56493), (657, 31385), (1095, 18831), (3285, 6277)]