20512496694

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 41836216320

約数和(自身を除く): 21323719626

約数列:

[1, 2, 3, 6, 127, 163, 239, 254, 326, 381, 478, 489, 691, 717, 762, 978, 1382, 1434, 2073, 4146, 20701, 30353, 38957, 41402, 60706, 62103, 77914, 87757, 91059, 112633, 116871, 124206, 165149, 175514, 182118, 225266, 233742, 263271, 330298, 337899, 495447, 526542, 675798, 990894, 4947539, 9895078, 14304391, 14842617, 20973923, 26919287, 28608782, 29685234, 41947846, 42913173, 53838574, 62921769, 80757861, 85826346, 125843538, 161515722, 3418749449, 6837498898, 10256248347, 20512496694]

約数ペア:

[(1, 20512496694), (2, 10256248347), (3, 6837498898), (6, 3418749449), (127, 161515722), (163, 125843538), (239, 85826346), (254, 80757861), (326, 62921769), (381, 53838574), (478, 42913173), (489, 41947846), (691, 29685234), (717, 28608782), (762, 26919287), (978, 20973923), (1382, 14842617), (1434, 14304391), (2073, 9895078), (4146, 4947539), (20701, 990894), (30353, 675798), (38957, 526542), (41402, 495447), (60706, 337899), (62103, 330298), (77914, 263271), (87757, 233742), (91059, 225266), (112633, 182118), (116871, 175514), (124206, 165149)]