20173565704

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{138107}}^1$

素因数の和:138194

約数の個数: 48

約数和(自身を含む): 41142373200

約数和(自身を除く): 20968807496

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 961, 1178, 1922, 2356, 3844, 4712, 7688, 18259, 36518, 73036, 138107, 146072, 276214, 552428, 1104856, 2624033, 4281317, 5248066, 8562634, 10496132, 17125268, 20992264, 34250536, 81345023, 132720827, 162690046, 265441654, 325380092, 530883308, 650760184, 1061766616, 2521695713, 5043391426, 10086782852, 20173565704]

約数ペア:

[(1, 20173565704), (2, 10086782852), (4, 5043391426), (8, 2521695713), (19, 1061766616), (31, 650760184), (38, 530883308), (62, 325380092), (76, 265441654), (124, 162690046), (152, 132720827), (248, 81345023), (589, 34250536), (961, 20992264), (1178, 17125268), (1922, 10496132), (2356, 8562634), (3844, 5248066), (4712, 4281317), (7688, 2624033), (18259, 1104856), (36518, 552428), (73036, 276214), (138107, 146072)]