20916765

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3779}}^1$

素因数の和:3834

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17185635

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3779, 5535, 11337, 18895, 34011, 56685, 102033, 154939, 170055, 464817, 510165, 774695, 1394451, 2324085, 4183353, 6972255, 20916765]

約数ペア:

[(1, 20916765), (3, 6972255), (5, 4183353), (9, 2324085), (15, 1394451), (27, 774695), (41, 510165), (45, 464817), (123, 170055), (135, 154939), (205, 102033), (369, 56685), (615, 34011), (1107, 18895), (1845, 11337), (3779, 5535)]