20173428785

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1\times {\mathrm{1429}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 25106384160

約数和(自身を除く): 4932955375

約数列:

[1, 5, 37, 137, 185, 557, 685, 1429, 2785, 5069, 7145, 20609, 25345, 52873, 76309, 103045, 195773, 264365, 381545, 795953, 978865, 2823433, 3979765, 7243601, 14117165, 29450261, 36218005, 109045561, 147251305, 545227805, 4034685757, 20173428785]

約数ペア:

[(1, 20173428785), (5, 4034685757), (37, 545227805), (137, 147251305), (185, 109045561), (557, 36218005), (685, 29450261), (1429, 14117165), (2785, 7243601), (5069, 3979765), (7145, 2823433), (20609, 978865), (25345, 795953), (52873, 381545), (76309, 264365), (103045, 195773)]