20054876427

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{1321}}^1$

素因数の和:1666

約数の個数: 80

約数和(自身を含む): 32478684480

約数和(自身を除く): 12423808053

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 281, 621, 667, 783, 843, 1321, 1863, 2001, 2349, 2529, 3963, 6003, 6463, 7587, 8149, 11889, 18009, 19389, 22761, 24447, 30383, 35667, 38309, 54027, 58167, 73341, 91149, 107001, 114927, 174501, 187427, 220023, 273447, 344781, 371201, 523503, 562281, 660069, 820341, 881107, 1034343, 1113603, 1686843, 2461023, 2643321, 3103029, 3340809, 5060529, 7929963, 8537623, 10022427, 10764829, 15181587, 23789889, 25612869, 30067281, 32294487, 71369667, 76838607, 96883461, 230515821, 247591067, 290650383, 691547463, 742773201, 871951149, 2228319603, 6684958809, 20054876427]

約数ペア:

[(1, 20054876427), (3, 6684958809), (9, 2228319603), (23, 871951149), (27, 742773201), (29, 691547463), (69, 290650383), (81, 247591067), (87, 230515821), (207, 96883461), (261, 76838607), (281, 71369667), (621, 32294487), (667, 30067281), (783, 25612869), (843, 23789889), (1321, 15181587), (1863, 10764829), (2001, 10022427), (2349, 8537623), (2529, 7929963), (3963, 5060529), (6003, 3340809), (6463, 3103029), (7587, 2643321), (8149, 2461023), (11889, 1686843), (18009, 1113603), (19389, 1034343), (22761, 881107), (24447, 820341), (30383, 660069), (35667, 562281), (38309, 523503), (54027, 371201), (58167, 344781), (73341, 273447), (91149, 220023), (107001, 187427), (114927, 174501)]