20508749294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{167}}^1\times {\mathrm{3019}}^1$

素因数の和:3285

約数の個数: 48

約数和(自身を含む): 34575569280

約数和(自身を除く): 14066819986

約数列:

[1, 2, 11, 22, 43, 86, 167, 334, 473, 946, 1837, 1849, 3019, 3674, 3698, 6038, 7181, 14362, 20339, 33209, 40678, 66418, 78991, 129817, 157982, 259634, 308783, 504173, 617566, 1008346, 1427987, 2855974, 3396613, 5545903, 5582131, 6793226, 11091806, 11164262, 21679439, 43358878, 61403441, 122806882, 238473829, 476947658, 932215877, 1864431754, 10254374647, 20508749294]

約数ペア:

[(1, 20508749294), (2, 10254374647), (11, 1864431754), (22, 932215877), (43, 476947658), (86, 238473829), (167, 122806882), (334, 61403441), (473, 43358878), (946, 21679439), (1837, 11164262), (1849, 11091806), (3019, 6793226), (3674, 5582131), (3698, 5545903), (6038, 3396613), (7181, 2855974), (14362, 1427987), (20339, 1008346), (33209, 617566), (40678, 504173), (66418, 308783), (78991, 259634), (129817, 157982)]