20781113808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1039}}^1$

素因数の和:1330

約数の個数: 320

約数和(自身を含む): 69906636800

約数和(自身を除く): 49125522992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 38, 39, 42, 48, 52, 56, 57, 76, 78, 84, 91, 104, 112, 114, 133, 152, 156, 168, 182, 208, 228, 241, 247, 266, 273, 304, 312, 336, 364, 399, 456, 482, 494, 532, 546, 624, 723, 728, 741, 798, 912, 964, 988, 1039, 1064, 1092, 1446, 1456, 1482, 1596, 1687, 1729, 1928, 1976, 2078, 2128, 2184, 2892, 2964, 3117, 3133, 3192, 3374, 3458, 3856, 3952, 4156, 4368, 4579, 5061, 5187, 5784, 5928, 6234, 6266, 6384, 6748, 6916, 7273, 8312, 9158, 9399, 10122, 10374, 11568, 11856, 12468, 12532, 13496, 13507, 13737, 13832, 14546, 16624, 18316, 18798, 19741, 20244, 20748, 21819, 21931, 24936, 25064, 26992, 27014, 27474, 27664, 29092, 32053, 36632, 37596, 39482, 40488, 40521, 41496, 43638, 43862, 49872, 50128, 54028, 54948, 58184, 59223, 59527, 64106, 65793, 73264, 75192, 78964, 80976, 81042, 82992, 87276, 87724, 94549, 96159, 108056, 109896, 116368, 118446, 119054, 128212, 131586, 138187, 150384, 157928, 162084, 174552, 175448, 178581, 189098, 192318, 216112, 219792, 236892, 238108, 250399, 256424, 256633, 263172, 276374, 283647, 315856, 324168, 349104, 350896, 357162, 378196, 384636, 414561, 416689, 473784, 476216, 500798, 512848, 513266, 526344, 552748, 567294, 648336, 714324, 751197, 756392, 769272, 769899, 829122, 833378, 947568, 952432, 1001596, 1026532, 1052688, 1105496, 1134588, 1250067, 1428648, 1502394, 1512784, 1538544, 1539798, 1658244, 1666756, 1752793, 1796431, 2003192, 2053064, 2210992, 2269176, 2500134, 2857296, 3004788, 3079596, 3255187, 3316488, 3333512, 3505586, 3592862, 4006384, 4106128, 4538352, 4757581, 5000268, 5258379, 5389293, 6009576, 6159192, 6510374, 6632976, 6667024, 7011172, 7185724, 9515162, 9765561, 10000536, 10516758, 10778586, 12019152, 12318384, 13020748, 14022344, 14272743, 14371448, 19030324, 19531122, 20001072, 21033516, 21557172, 22786309, 26041496, 28044688, 28545486, 28742896, 33303067, 38060648, 39062244, 42067032, 43114344, 45572618, 52082992, 57090972, 61848553, 66606134, 68358927, 76121296, 78124488, 84134064, 86228688, 91145236, 99909201, 114181944, 123697106, 133212268, 136717854, 156248976, 182290472, 185545659, 199818402, 228363888, 247394212, 266424536, 273435708, 364580944, 371091318, 399636804, 432939871, 494788424, 532849072, 546871416, 742182636, 799273608, 865879742, 989576848, 1093742832, 1298819613, 1484365272, 1598547216, 1731759484, 2597639226, 2968730544, 3463518968, 5195278452, 6927037936, 10390556904, 20781113808]

約数ペア:

[(1, 20781113808), (2, 10390556904), (3, 6927037936), (4, 5195278452), (6, 3463518968), (7, 2968730544), (8, 2597639226), (12, 1731759484), (13, 1598547216), (14, 1484365272), (16, 1298819613), (19, 1093742832), (21, 989576848), (24, 865879742), (26, 799273608), (28, 742182636), (38, 546871416), (39, 532849072), (42, 494788424), (48, 432939871), (52, 399636804), (56, 371091318), (57, 364580944), (76, 273435708), (78, 266424536), (84, 247394212), (91, 228363888), (104, 199818402), (112, 185545659), (114, 182290472), (133, 156248976), (152, 136717854), (156, 133212268), (168, 123697106), (182, 114181944), (208, 99909201), (228, 91145236), (241, 86228688), (247, 84134064), (266, 78124488), (273, 76121296), (304, 68358927), (312, 66606134), (336, 61848553), (364, 57090972), (399, 52082992), (456, 45572618), (482, 43114344), (494, 42067032), (532, 39062244), (546, 38060648), (624, 33303067), (723, 28742896), (728, 28545486), (741, 28044688), (798, 26041496), (912, 22786309), (964, 21557172), (988, 21033516), (1039, 20001072), (1064, 19531122), (1092, 19030324), (1446, 14371448), (1456, 14272743), (1482, 14022344), (1596, 13020748), (1687, 12318384), (1729, 12019152), (1928, 10778586), (1976, 10516758), (2078, 10000536), (2128, 9765561), (2184, 9515162), (2892, 7185724), (2964, 7011172), (3117, 6667024), (3133, 6632976), (3192, 6510374), (3374, 6159192), (3458, 6009576), (3856, 5389293), (3952, 5258379), (4156, 5000268), (4368, 4757581), (4579, 4538352), (5061, 4106128), (5187, 4006384), (5784, 3592862), (5928, 3505586), (6234, 3333512), (6266, 3316488), (6384, 3255187), (6748, 3079596), (6916, 3004788), (7273, 2857296), (8312, 2500134), (9158, 2269176), (9399, 2210992), (10122, 2053064), (10374, 2003192), (11568, 1796431), (11856, 1752793), (12468, 1666756), (12532, 1658244), (13496, 1539798), (13507, 1538544), (13737, 1512784), (13832, 1502394), (14546, 1428648), (16624, 1250067), (18316, 1134588), (18798, 1105496), (19741, 1052688), (20244, 1026532), (20748, 1001596), (21819, 952432), (21931, 947568), (24936, 833378), (25064, 829122), (26992, 769899), (27014, 769272), (27474, 756392), (27664, 751197), (29092, 714324), (32053, 648336), (36632, 567294), (37596, 552748), (39482, 526344), (40488, 513266), (40521, 512848), (41496, 500798), (43638, 476216), (43862, 473784), (49872, 416689), (50128, 414561), (54028, 384636), (54948, 378196), (58184, 357162), (59223, 350896), (59527, 349104), (64106, 324168), (65793, 315856), (73264, 283647), (75192, 276374), (78964, 263172), (80976, 256633), (81042, 256424), (82992, 250399), (87276, 238108), (87724, 236892), (94549, 219792), (96159, 216112), (108056, 192318), (109896, 189098), (116368, 178581), (118446, 175448), (119054, 174552), (128212, 162084), (131586, 157928), (138187, 150384)]