20258990545

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{35869}}^1$

素因数の和:36025

約数の個数: 32

約数和(自身を含む): 25909044480

約数和(自身を除く): 5650053935

約数列:

[1, 5, 37, 43, 71, 185, 215, 355, 1591, 2627, 3053, 7955, 13135, 15265, 35869, 112961, 179345, 564805, 1327153, 1542367, 2546699, 6635765, 7711835, 12733495, 57067579, 94227863, 109508057, 285337895, 471139315, 547540285, 4051798109, 20258990545]

約数ペア:

[(1, 20258990545), (5, 4051798109), (37, 547540285), (43, 471139315), (71, 285337895), (185, 109508057), (215, 94227863), (355, 57067579), (1591, 12733495), (2627, 7711835), (3053, 6635765), (7955, 2546699), (13135, 1542367), (15265, 1327153), (35869, 564805), (112961, 179345)]