20386296

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 65856000

約数和(自身を除く): 45469704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 97, 108, 126, 139, 168, 189, 194, 216, 252, 278, 291, 378, 388, 417, 504, 556, 582, 679, 756, 776, 834, 873, 973, 1112, 1164, 1251, 1358, 1512, 1668, 1746, 1946, 2037, 2328, 2502, 2619, 2716, 2919, 3336, 3492, 3753, 3892, 4074, 5004, 5238, 5432, 5838, 6111, 6984, 7506, 7784, 8148, 8757, 10008, 10476, 11676, 12222, 13483, 15012, 16296, 17514, 18333, 20952, 23352, 24444, 26271, 26966, 30024, 35028, 36666, 40449, 48888, 52542, 53932, 70056, 73332, 80898, 94381, 105084, 107864, 121347, 146664, 161796, 188762, 210168, 242694, 283143, 323592, 364041, 377524, 485388, 566286, 728082, 755048, 849429, 970776, 1132572, 1456164, 1698858, 2265144, 2548287, 2912328, 3397716, 5096574, 6795432, 10193148, 20386296]

約数ペア:

[(1, 20386296), (2, 10193148), (3, 6795432), (4, 5096574), (6, 3397716), (7, 2912328), (8, 2548287), (9, 2265144), (12, 1698858), (14, 1456164), (18, 1132572), (21, 970776), (24, 849429), (27, 755048), (28, 728082), (36, 566286), (42, 485388), (54, 377524), (56, 364041), (63, 323592), (72, 283143), (84, 242694), (97, 210168), (108, 188762), (126, 161796), (139, 146664), (168, 121347), (189, 107864), (194, 105084), (216, 94381), (252, 80898), (278, 73332), (291, 70056), (378, 53932), (388, 52542), (417, 48888), (504, 40449), (556, 36666), (582, 35028), (679, 30024), (756, 26966), (776, 26271), (834, 24444), (873, 23352), (973, 20952), (1112, 18333), (1164, 17514), (1251, 16296), (1358, 15012), (1512, 13483), (1668, 12222), (1746, 11676), (1946, 10476), (2037, 10008), (2328, 8757), (2502, 8148), (2619, 7784), (2716, 7506), (2919, 6984), (3336, 6111), (3492, 5838), (3753, 5432), (3892, 5238), (4074, 5004)]