20688757992

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{2371}}^1$

素因数の和:2621

約数の個数: 256

約数和(自身を含む): 68313600000

約数和(自身を除く): 47624842008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 29, 36, 42, 54, 56, 58, 63, 72, 84, 87, 108, 116, 126, 168, 174, 189, 199, 203, 216, 232, 252, 261, 348, 378, 398, 406, 504, 522, 597, 609, 696, 756, 783, 796, 812, 1044, 1194, 1218, 1393, 1512, 1566, 1592, 1624, 1791, 1827, 2088, 2371, 2388, 2436, 2786, 3132, 3582, 3654, 4179, 4742, 4776, 4872, 5373, 5481, 5572, 5771, 6264, 7113, 7164, 7308, 8358, 9484, 10746, 10962, 11144, 11542, 12537, 14226, 14328, 14616, 16597, 16716, 17313, 18968, 21339, 21492, 21924, 23084, 25074, 28452, 33194, 33432, 34626, 37611, 40397, 42678, 42984, 43848, 46168, 49791, 50148, 51939, 56904, 64017, 66388, 68759, 69252, 75222, 80794, 85356, 99582, 100296, 103878, 121191, 128034, 132776, 137518, 138504, 149373, 150444, 155817, 161588, 170712, 199164, 206277, 207756, 242382, 256068, 275036, 298746, 300888, 311634, 323176, 363573, 398328, 412554, 415512, 448119, 471829, 481313, 484764, 512136, 550072, 597492, 618831, 623268, 727146, 825108, 896238, 943658, 962626, 969528, 1090719, 1194984, 1237662, 1246536, 1415487, 1443939, 1454292, 1650216, 1792476, 1856493, 1887316, 1925252, 2181438, 2475324, 2830974, 2887878, 2908584, 3302803, 3584952, 3712986, 3774632, 3850504, 4246461, 4331817, 4362876, 4950648, 5661948, 5775756, 6605606, 7425972, 8492922, 8663634, 8725752, 9908409, 11323896, 11551512, 12739383, 12995451, 13211212, 13683041, 14851944, 16985844, 17327268, 19816818, 25478766, 25990902, 26422424, 27366082, 29725227, 33971688, 34654536, 39633636, 41049123, 50957532, 51981804, 54732164, 59450454, 79267272, 82098246, 89175681, 95781287, 101915064, 103963608, 109464328, 118900908, 123147369, 164196492, 178351362, 191562574, 237801816, 246294738, 287343861, 328392984, 356702724, 369442107, 383125148, 492589476, 574687722, 713405448, 738884214, 766250296, 862031583, 985178952, 1149375444, 1477768428, 1724063166, 2298750888, 2586094749, 2955536856, 3448126332, 5172189498, 6896252664, 10344378996, 20688757992]

約数ペア:

[(1, 20688757992), (2, 10344378996), (3, 6896252664), (4, 5172189498), (6, 3448126332), (7, 2955536856), (8, 2586094749), (9, 2298750888), (12, 1724063166), (14, 1477768428), (18, 1149375444), (21, 985178952), (24, 862031583), (27, 766250296), (28, 738884214), (29, 713405448), (36, 574687722), (42, 492589476), (54, 383125148), (56, 369442107), (58, 356702724), (63, 328392984), (72, 287343861), (84, 246294738), (87, 237801816), (108, 191562574), (116, 178351362), (126, 164196492), (168, 123147369), (174, 118900908), (189, 109464328), (199, 103963608), (203, 101915064), (216, 95781287), (232, 89175681), (252, 82098246), (261, 79267272), (348, 59450454), (378, 54732164), (398, 51981804), (406, 50957532), (504, 41049123), (522, 39633636), (597, 34654536), (609, 33971688), (696, 29725227), (756, 27366082), (783, 26422424), (796, 25990902), (812, 25478766), (1044, 19816818), (1194, 17327268), (1218, 16985844), (1393, 14851944), (1512, 13683041), (1566, 13211212), (1592, 12995451), (1624, 12739383), (1791, 11551512), (1827, 11323896), (2088, 9908409), (2371, 8725752), (2388, 8663634), (2436, 8492922), (2786, 7425972), (3132, 6605606), (3582, 5775756), (3654, 5661948), (4179, 4950648), (4742, 4362876), (4776, 4331817), (4872, 4246461), (5373, 3850504), (5481, 3774632), (5572, 3712986), (5771, 3584952), (6264, 3302803), (7113, 2908584), (7164, 2887878), (7308, 2830974), (8358, 2475324), (9484, 2181438), (10746, 1925252), (10962, 1887316), (11144, 1856493), (11542, 1792476), (12537, 1650216), (14226, 1454292), (14328, 1443939), (14616, 1415487), (16597, 1246536), (16716, 1237662), (17313, 1194984), (18968, 1090719), (21339, 969528), (21492, 962626), (21924, 943658), (23084, 896238), (25074, 825108), (28452, 727146), (33194, 623268), (33432, 618831), (34626, 597492), (37611, 550072), (40397, 512136), (42678, 484764), (42984, 481313), (43848, 471829), (46168, 448119), (49791, 415512), (50148, 412554), (51939, 398328), (56904, 363573), (64017, 323176), (66388, 311634), (68759, 300888), (69252, 298746), (75222, 275036), (80794, 256068), (85356, 242382), (99582, 207756), (100296, 206277), (103878, 199164), (121191, 170712), (128034, 161588), (132776, 155817), (137518, 150444), (138504, 149373)]