20156162888

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 38707200000

約数和(自身を除く): 18551037112

約数列:

[1, 2, 4, 8, 83, 127, 166, 254, 332, 479, 499, 508, 664, 958, 998, 1016, 1916, 1996, 3832, 3992, 10541, 21082, 39757, 41417, 42164, 60833, 63373, 79514, 82834, 84328, 121666, 126746, 159028, 165668, 239021, 243332, 253492, 318056, 331336, 478042, 486664, 506984, 956084, 1912168, 5049139, 5259959, 10098278, 10519918, 19838743, 20196556, 21039836, 30355667, 39677486, 40393112, 42079672, 60711334, 79354972, 121422668, 158709944, 242845336, 2519520361, 5039040722, 10078081444, 20156162888]

約数ペア:

[(1, 20156162888), (2, 10078081444), (4, 5039040722), (8, 2519520361), (83, 242845336), (127, 158709944), (166, 121422668), (254, 79354972), (332, 60711334), (479, 42079672), (499, 40393112), (508, 39677486), (664, 30355667), (958, 21039836), (998, 20196556), (1016, 19838743), (1916, 10519918), (1996, 10098278), (3832, 5259959), (3992, 5049139), (10541, 1912168), (21082, 956084), (39757, 506984), (41417, 486664), (42164, 478042), (60833, 331336), (63373, 318056), (79514, 253492), (82834, 243332), (84328, 239021), (121666, 165668), (126746, 159028)]