20167812

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 63073920

約数和(自身を除く): 42906108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 49, 54, 63, 74, 84, 98, 103, 108, 111, 126, 147, 148, 189, 196, 206, 222, 252, 259, 294, 309, 333, 378, 412, 441, 444, 518, 588, 618, 666, 721, 756, 777, 882, 927, 999, 1036, 1236, 1323, 1332, 1442, 1554, 1764, 1813, 1854, 1998, 2163, 2331, 2646, 2781, 2884, 3108, 3626, 3708, 3811, 3996, 4326, 4662, 5047, 5292, 5439, 5562, 6489, 6993, 7252, 7622, 8652, 9324, 10094, 10878, 11124, 11433, 12978, 13986, 15141, 15244, 16317, 19467, 20188, 21756, 22866, 25956, 26677, 27972, 30282, 32634, 34299, 38934, 45423, 45732, 48951, 53354, 60564, 65268, 68598, 77868, 80031, 90846, 97902, 102897, 106708, 136269, 137196, 160062, 181692, 186739, 195804, 205794, 240093, 272538, 320124, 373478, 411588, 480186, 545076, 560217, 720279, 746956, 960372, 1120434, 1440558, 1680651, 2240868, 2881116, 3361302, 5041953, 6722604, 10083906, 20167812]

約数ペア:

[(1, 20167812), (2, 10083906), (3, 6722604), (4, 5041953), (6, 3361302), (7, 2881116), (9, 2240868), (12, 1680651), (14, 1440558), (18, 1120434), (21, 960372), (27, 746956), (28, 720279), (36, 560217), (37, 545076), (42, 480186), (49, 411588), (54, 373478), (63, 320124), (74, 272538), (84, 240093), (98, 205794), (103, 195804), (108, 186739), (111, 181692), (126, 160062), (147, 137196), (148, 136269), (189, 106708), (196, 102897), (206, 97902), (222, 90846), (252, 80031), (259, 77868), (294, 68598), (309, 65268), (333, 60564), (378, 53354), (412, 48951), (441, 45732), (444, 45423), (518, 38934), (588, 34299), (618, 32634), (666, 30282), (721, 27972), (756, 26677), (777, 25956), (882, 22866), (927, 21756), (999, 20188), (1036, 19467), (1236, 16317), (1323, 15244), (1332, 15141), (1442, 13986), (1554, 12978), (1764, 11433), (1813, 11124), (1854, 10878), (1998, 10094), (2163, 9324), (2331, 8652), (2646, 7622), (2781, 7252), (2884, 6993), (3108, 6489), (3626, 5562), (3708, 5439), (3811, 5292), (3996, 5047), (4326, 4662)]