20159095292

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73309}}^1$

素因数の和:73411

約数の個数: 72

約数和(自身を含む): 43525026720

約数和(自身を除く): 23365931428

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 61, 92, 98, 122, 161, 196, 244, 322, 427, 644, 854, 1127, 1403, 1708, 2254, 2806, 2989, 4508, 5612, 5978, 9821, 11956, 19642, 39284, 68747, 73309, 137494, 146618, 274988, 293236, 513163, 1026326, 1686107, 2052652, 3372214, 3592141, 4471849, 6744428, 7184282, 8943698, 11802749, 14368564, 17887396, 23605498, 31302943, 47210996, 62605886, 82619243, 102852527, 125211772, 165238486, 205705054, 219120601, 330476972, 411410108, 438241202, 719967689, 876482404, 1439935378, 2879870756, 5039773823, 10079547646, 20159095292]

約数ペア:

[(1, 20159095292), (2, 10079547646), (4, 5039773823), (7, 2879870756), (14, 1439935378), (23, 876482404), (28, 719967689), (46, 438241202), (49, 411410108), (61, 330476972), (92, 219120601), (98, 205705054), (122, 165238486), (161, 125211772), (196, 102852527), (244, 82619243), (322, 62605886), (427, 47210996), (644, 31302943), (854, 23605498), (1127, 17887396), (1403, 14368564), (1708, 11802749), (2254, 8943698), (2806, 7184282), (2989, 6744428), (4508, 4471849), (5612, 3592141), (5978, 3372214), (9821, 2052652), (11956, 1686107), (19642, 1026326), (39284, 513163), (68747, 293236), (73309, 274988), (137494, 146618)]