20168703918

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{2539}}^1$

素因数の和:2915

約数の個数: 128

約数和(自身を含む): 50211532800

約数和(自身を除く): 30042828882

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 311, 387, 473, 594, 622, 774, 933, 946, 1161, 1419, 1866, 2322, 2539, 2799, 2838, 3421, 4257, 5078, 5598, 6842, 7617, 8397, 8514, 10263, 12771, 13373, 15234, 16794, 20526, 22851, 25542, 26746, 27929, 30789, 40119, 45702, 55858, 61578, 68553, 80238, 83787, 92367, 109177, 120357, 137106, 147103, 167574, 184734, 218354, 240714, 251361, 294206, 327531, 361071, 441309, 502722, 655062, 722142, 754083, 789629, 882618, 982593, 1200947, 1323927, 1508166, 1579258, 1965186, 2368887, 2401894, 2647854, 2947779, 3602841, 3971781, 4737774, 5895558, 7106661, 7205682, 7943562, 8685919, 10808523, 14213322, 17371838, 21319983, 21617046, 26057757, 32425569, 33954047, 42639966, 52115514, 64851138, 67908094, 78173271, 101862141, 156346542, 203724282, 234519813, 305586423, 373494517, 469039626, 611172846, 746989034, 916759269, 1120483551, 1833518538, 2240967102, 3361450653, 6722901306, 10084351959, 20168703918]

約数ペア:

[(1, 20168703918), (2, 10084351959), (3, 6722901306), (6, 3361450653), (9, 2240967102), (11, 1833518538), (18, 1120483551), (22, 916759269), (27, 746989034), (33, 611172846), (43, 469039626), (54, 373494517), (66, 305586423), (86, 234519813), (99, 203724282), (129, 156346542), (198, 101862141), (258, 78173271), (297, 67908094), (311, 64851138), (387, 52115514), (473, 42639966), (594, 33954047), (622, 32425569), (774, 26057757), (933, 21617046), (946, 21319983), (1161, 17371838), (1419, 14213322), (1866, 10808523), (2322, 8685919), (2539, 7943562), (2799, 7205682), (2838, 7106661), (3421, 5895558), (4257, 4737774), (5078, 3971781), (5598, 3602841), (6842, 2947779), (7617, 2647854), (8397, 2401894), (8514, 2368887), (10263, 1965186), (12771, 1579258), (13373, 1508166), (15234, 1323927), (16794, 1200947), (20526, 982593), (22851, 882618), (25542, 789629), (26746, 754083), (27929, 722142), (30789, 655062), (40119, 502722), (45702, 441309), (55858, 361071), (61578, 327531), (68553, 294206), (80238, 251361), (83787, 240714), (92367, 218354), (109177, 184734), (120357, 167574), (137106, 147103)]