20407140285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1\times {\mathrm{12613}}^1$

素因数の和:13458

約数の個数: 64

約数和(自身を含む): 39331461120

約数和(自身を除く): 18924320835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 811, 1995, 2433, 4055, 5677, 12165, 12613, 15409, 17031, 28385, 37839, 46227, 63065, 77045, 85155, 88291, 107863, 189195, 231135, 239647, 264873, 323589, 441455, 539315, 718941, 1198235, 1324365, 1617945, 1677529, 3594705, 5032587, 8387645, 10229143, 25162935, 30687429, 51145715, 71604001, 153437145, 194353717, 214812003, 358020005, 583061151, 971768585, 1074060015, 1360476019, 2915305755, 4081428057, 6802380095, 20407140285]

約数ペア:

[(1, 20407140285), (3, 6802380095), (5, 4081428057), (7, 2915305755), (15, 1360476019), (19, 1074060015), (21, 971768585), (35, 583061151), (57, 358020005), (95, 214812003), (105, 194353717), (133, 153437145), (285, 71604001), (399, 51145715), (665, 30687429), (811, 25162935), (1995, 10229143), (2433, 8387645), (4055, 5032587), (5677, 3594705), (12165, 1677529), (12613, 1617945), (15409, 1324365), (17031, 1198235), (28385, 718941), (37839, 539315), (46227, 441455), (63065, 323589), (77045, 264873), (85155, 239647), (88291, 231135), (107863, 189195)]