20883465

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1193}}^1$

素因数の和:1593

約数の個数: 24

約数和(自身を含む): 36321480

約数和(自身を除く): 15438015

約数列:

[1, 3, 5, 9, 15, 45, 389, 1167, 1193, 1945, 3501, 3579, 5835, 5965, 10737, 17505, 17895, 53685, 464077, 1392231, 2320385, 4176693, 6961155, 20883465]

約数ペア:

[(1, 20883465), (3, 6961155), (5, 4176693), (9, 2320385), (15, 1392231), (45, 464077), (389, 53685), (1167, 17895), (1193, 17505), (1945, 10737), (3501, 5965), (3579, 5835)]