20213102595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2473}}^1$

素因数の和:2765

約数の個数: 128

約数和(自身を含む): 41382696960

約数和(自身を除く): 21169594365

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 241, 255, 285, 323, 357, 399, 595, 665, 723, 969, 1205, 1615, 1687, 1785, 1995, 2261, 2473, 3615, 4097, 4579, 4845, 5061, 6783, 7419, 8435, 11305, 12291, 12365, 13737, 17311, 20485, 22895, 25305, 28679, 32053, 33915, 37095, 42041, 46987, 51933, 61455, 68685, 77843, 86037, 86555, 96159, 126123, 140961, 143395, 160265, 210205, 233529, 234935, 259665, 294287, 328909, 389215, 430185, 480795, 544901, 595993, 630615, 704805, 798779, 882861, 986727, 1167645, 1471435, 1634703, 1644545, 1787979, 2396337, 2724505, 2979965, 3993895, 4171951, 4414305, 4933635, 5591453, 8173515, 8939895, 10131881, 11323867, 11981685, 12515853, 16774359, 20859755, 27957265, 30395643, 33971601, 50659405, 56619335, 62579265, 70923167, 79267069, 83871795, 151978215, 169858005, 192505739, 212769501, 237801207, 354615835, 396335345, 577517217, 962528695, 1063847505, 1189006035, 1347540173, 2887586085, 4042620519, 6737700865, 20213102595]

約数ペア:

[(1, 20213102595), (3, 6737700865), (5, 4042620519), (7, 2887586085), (15, 1347540173), (17, 1189006035), (19, 1063847505), (21, 962528695), (35, 577517217), (51, 396335345), (57, 354615835), (85, 237801207), (95, 212769501), (105, 192505739), (119, 169858005), (133, 151978215), (241, 83871795), (255, 79267069), (285, 70923167), (323, 62579265), (357, 56619335), (399, 50659405), (595, 33971601), (665, 30395643), (723, 27957265), (969, 20859755), (1205, 16774359), (1615, 12515853), (1687, 11981685), (1785, 11323867), (1995, 10131881), (2261, 8939895), (2473, 8173515), (3615, 5591453), (4097, 4933635), (4579, 4414305), (4845, 4171951), (5061, 3993895), (6783, 2979965), (7419, 2724505), (8435, 2396337), (11305, 1787979), (12291, 1644545), (12365, 1634703), (13737, 1471435), (17311, 1167645), (20485, 986727), (22895, 882861), (25305, 798779), (28679, 704805), (32053, 630615), (33915, 595993), (37095, 544901), (42041, 480795), (46987, 430185), (51933, 389215), (61455, 328909), (68685, 294287), (77843, 259665), (86037, 234935), (86555, 233529), (96159, 210205), (126123, 160265), (140961, 143395)]