20403721884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1951}}^1$

素因数の和:2196

約数の個数: 192

約数和(自身を含む): 59965939712

約数和(自身を除く): 39562217828

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 61, 78, 84, 91, 122, 156, 157, 182, 183, 244, 273, 314, 364, 366, 427, 471, 546, 628, 732, 793, 854, 942, 1092, 1099, 1281, 1586, 1708, 1884, 1951, 2041, 2198, 2379, 2562, 3172, 3297, 3902, 4082, 4396, 4758, 5124, 5551, 5853, 6123, 6594, 7804, 8164, 9516, 9577, 11102, 11706, 12246, 13188, 13657, 14287, 16653, 19154, 22204, 23412, 24492, 25363, 27314, 28574, 28731, 33306, 38308, 40971, 42861, 50726, 54628, 57148, 57462, 66612, 67039, 76089, 81942, 85722, 101452, 114924, 119011, 124501, 134078, 152178, 163884, 171444, 177541, 201117, 238022, 249002, 268156, 304356, 306307, 355082, 357033, 373503, 402234, 476044, 498004, 532623, 612614, 710164, 714066, 747006, 804468, 833077, 871507, 918921, 1065246, 1225228, 1428132, 1494012, 1547143, 1666154, 1743014, 1837842, 2130492, 2144149, 2499231, 2614521, 3094286, 3332308, 3486028, 3675684, 3981991, 4288298, 4641429, 4998462, 5229042, 6188572, 6432447, 7963982, 8576596, 9282858, 9996924, 10458084, 10830001, 11945973, 12864894, 15927964, 18565716, 18684727, 21660002, 23891946, 25729788, 27873937, 32490003, 37369454, 43320004, 47783892, 55747874, 56054181, 64980006, 74738908, 83621811, 111495748, 112108362, 129960012, 130793089, 167243622, 224216724, 242901451, 261586178, 334487244, 392379267, 485802902, 523172356, 728704353, 784758534, 971605804, 1457408706, 1569517068, 1700310157, 2914817412, 3400620314, 5100930471, 6801240628, 10201860942, 20403721884]

約数ペア:

[(1, 20403721884), (2, 10201860942), (3, 6801240628), (4, 5100930471), (6, 3400620314), (7, 2914817412), (12, 1700310157), (13, 1569517068), (14, 1457408706), (21, 971605804), (26, 784758534), (28, 728704353), (39, 523172356), (42, 485802902), (52, 392379267), (61, 334487244), (78, 261586178), (84, 242901451), (91, 224216724), (122, 167243622), (156, 130793089), (157, 129960012), (182, 112108362), (183, 111495748), (244, 83621811), (273, 74738908), (314, 64980006), (364, 56054181), (366, 55747874), (427, 47783892), (471, 43320004), (546, 37369454), (628, 32490003), (732, 27873937), (793, 25729788), (854, 23891946), (942, 21660002), (1092, 18684727), (1099, 18565716), (1281, 15927964), (1586, 12864894), (1708, 11945973), (1884, 10830001), (1951, 10458084), (2041, 9996924), (2198, 9282858), (2379, 8576596), (2562, 7963982), (3172, 6432447), (3297, 6188572), (3902, 5229042), (4082, 4998462), (4396, 4641429), (4758, 4288298), (5124, 3981991), (5551, 3675684), (5853, 3486028), (6123, 3332308), (6594, 3094286), (7804, 2614521), (8164, 2499231), (9516, 2144149), (9577, 2130492), (11102, 1837842), (11706, 1743014), (12246, 1666154), (13188, 1547143), (13657, 1494012), (14287, 1428132), (16653, 1225228), (19154, 1065246), (22204, 918921), (23412, 871507), (24492, 833077), (25363, 804468), (27314, 747006), (28574, 714066), (28731, 710164), (33306, 612614), (38308, 532623), (40971, 498004), (42861, 476044), (50726, 402234), (54628, 373503), (57148, 357033), (57462, 355082), (66612, 306307), (67039, 304356), (76089, 268156), (81942, 249002), (85722, 238022), (101452, 201117), (114924, 177541), (119011, 171444), (124501, 163884), (134078, 152178)]