20571562616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 43692687360

約数和(自身を除く): 23121124744

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 83, 88, 127, 134, 166, 254, 268, 331, 332, 508, 536, 662, 664, 737, 913, 1016, 1324, 1397, 1474, 1826, 2648, 2794, 2948, 3641, 3652, 5561, 5588, 5896, 7282, 7304, 8509, 10541, 11122, 11176, 14564, 17018, 21082, 22177, 22244, 27473, 29128, 34036, 42037, 42164, 44354, 44488, 54946, 61171, 68072, 84074, 84328, 88708, 93599, 109892, 115951, 122342, 168148, 177416, 187198, 219784, 231902, 243947, 244684, 302203, 336296, 374396, 462407, 463804, 487894, 489368, 604406, 706247, 748792, 924814, 927608, 975788, 1208812, 1412494, 1840691, 1849628, 1951576, 2417624, 2816479, 2824988, 3489071, 3681382, 3699256, 5632958, 5649976, 6978142, 7362764, 7768717, 11265916, 13956284, 14725528, 15537434, 20247601, 22531832, 27912568, 30981269, 31074868, 38379781, 40495202, 61962538, 62149736, 76759562, 80990404, 123925076, 153519124, 161980808, 233767757, 247850152, 307038248, 467535514, 935071028, 1870142056, 2571445327, 5142890654, 10285781308, 20571562616]

約数ペア:

[(1, 20571562616), (2, 10285781308), (4, 5142890654), (8, 2571445327), (11, 1870142056), (22, 935071028), (44, 467535514), (67, 307038248), (83, 247850152), (88, 233767757), (127, 161980808), (134, 153519124), (166, 123925076), (254, 80990404), (268, 76759562), (331, 62149736), (332, 61962538), (508, 40495202), (536, 38379781), (662, 31074868), (664, 30981269), (737, 27912568), (913, 22531832), (1016, 20247601), (1324, 15537434), (1397, 14725528), (1474, 13956284), (1826, 11265916), (2648, 7768717), (2794, 7362764), (2948, 6978142), (3641, 5649976), (3652, 5632958), (5561, 3699256), (5588, 3681382), (5896, 3489071), (7282, 2824988), (7304, 2816479), (8509, 2417624), (10541, 1951576), (11122, 1849628), (11176, 1840691), (14564, 1412494), (17018, 1208812), (21082, 975788), (22177, 927608), (22244, 924814), (27473, 748792), (29128, 706247), (34036, 604406), (42037, 489368), (42164, 487894), (44354, 463804), (44488, 462407), (54946, 374396), (61171, 336296), (68072, 302203), (84074, 244684), (84328, 243947), (88708, 231902), (93599, 219784), (109892, 187198), (115951, 177416), (122342, 168148)]