20180552728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{423463}}^1$

素因数の和:423536

約数の個数: 64

約数和(自身を含む): 46343900160

約数和(自身を除く): 26163347432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 37, 46, 56, 74, 92, 148, 161, 184, 259, 296, 322, 518, 644, 851, 1036, 1288, 1702, 2072, 3404, 5957, 6808, 11914, 23828, 47656, 423463, 846926, 1693852, 2964241, 3387704, 5928482, 9739649, 11856964, 15668131, 19479298, 23713928, 31336262, 38958596, 62672524, 68177543, 77917192, 109676917, 125345048, 136355086, 219353834, 272710172, 360367013, 438707668, 545420344, 720734026, 877415336, 1441468052, 2522569091, 2882936104, 5045138182, 10090276364, 20180552728]

約数ペア:

[(1, 20180552728), (2, 10090276364), (4, 5045138182), (7, 2882936104), (8, 2522569091), (14, 1441468052), (23, 877415336), (28, 720734026), (37, 545420344), (46, 438707668), (56, 360367013), (74, 272710172), (92, 219353834), (148, 136355086), (161, 125345048), (184, 109676917), (259, 77917192), (296, 68177543), (322, 62672524), (518, 38958596), (644, 31336262), (851, 23713928), (1036, 19479298), (1288, 15668131), (1702, 11856964), (2072, 9739649), (3404, 5928482), (5957, 3387704), (6808, 2964241), (11914, 1693852), (23828, 846926), (47656, 423463)]