20952945

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11939}}^1$

素因数の和:11966

約数の個数: 32

約数和(自身を含む): 40118400

約数和(自身を除く): 19165455

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11939, 35817, 59695, 107451, 155207, 179085, 322353, 465621, 537255, 776035, 1396863, 1611765, 2328105, 4190589, 6984315, 20952945]

約数ペア:

[(1, 20952945), (3, 6984315), (5, 4190589), (9, 2328105), (13, 1611765), (15, 1396863), (27, 776035), (39, 537255), (45, 465621), (65, 322353), (117, 179085), (135, 155207), (195, 107451), (351, 59695), (585, 35817), (1755, 11939)]