20816119506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1137

約数の個数: 256

約数和(自身を含む): 56828362752

約数和(自身を除く): 36012243246

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 31, 34, 39, 42, 51, 62, 73, 78, 91, 93, 102, 119, 146, 182, 186, 217, 219, 221, 238, 273, 357, 403, 434, 438, 442, 511, 527, 546, 651, 663, 714, 806, 949, 991, 1022, 1054, 1209, 1241, 1302, 1326, 1533, 1547, 1581, 1898, 1982, 2263, 2418, 2482, 2821, 2847, 2973, 3066, 3094, 3162, 3689, 3723, 4526, 4641, 5642, 5694, 5946, 6643, 6789, 6851, 6937, 7378, 7446, 8463, 8687, 9282, 11067, 12883, 13286, 13578, 13702, 13874, 15841, 16133, 16847, 16926, 17374, 19929, 20553, 20811, 22134, 25766, 26061, 29419, 30721, 31682, 32266, 33694, 38471, 38649, 39858, 41106, 41622, 47523, 47957, 48399, 50541, 52122, 58838, 61442, 72343, 76942, 77298, 88257, 90181, 92163, 95046, 95914, 96798, 101082, 112931, 115413, 117929, 143871, 144686, 176514, 180362, 184326, 205933, 215047, 217029, 219011, 225862, 230826, 235858, 269297, 270543, 287742, 338793, 353787, 399373, 411866, 430094, 434058, 438022, 500123, 506401, 522257, 538594, 541086, 617799, 645141, 657033, 677586, 707574, 798746, 807891, 940459, 1000246, 1012802, 1044514, 1198119, 1229831, 1235598, 1290282, 1314066, 1500369, 1519203, 1533077, 1566771, 1615782, 1880918, 2242633, 2396238, 2459662, 2795611, 2821377, 3000738, 3038406, 3066154, 3133542, 3500861, 3655799, 3689493, 4485266, 4599231, 5591222, 5642754, 6583213, 6727899, 6789341, 7001722, 7311598, 7378986, 8386833, 8608817, 9198462, 10502583, 10967397, 13166426, 13455798, 13578682, 15698431, 15987803, 16773666, 17217634, 19749639, 20368023, 21005166, 21934794, 25826451, 29154229, 31396862, 31975606, 38124761, 39499278, 40736046, 47095293, 47525387, 47963409, 51652902, 58308458, 76249522, 87462687, 94190586, 95050774, 95926818, 111914621, 114374283, 142576161, 174925374, 204079603, 223829242, 228748566, 266873327, 285152322, 335743863, 408159206, 495621893, 533746654, 612238809, 671487726, 800619981, 991243786, 1224477618, 1486865679, 1601239962, 2973731358, 3469353251, 6938706502, 10408059753, 20816119506]

約数ペア:

[(1, 20816119506), (2, 10408059753), (3, 6938706502), (6, 3469353251), (7, 2973731358), (13, 1601239962), (14, 1486865679), (17, 1224477618), (21, 991243786), (26, 800619981), (31, 671487726), (34, 612238809), (39, 533746654), (42, 495621893), (51, 408159206), (62, 335743863), (73, 285152322), (78, 266873327), (91, 228748566), (93, 223829242), (102, 204079603), (119, 174925374), (146, 142576161), (182, 114374283), (186, 111914621), (217, 95926818), (219, 95050774), (221, 94190586), (238, 87462687), (273, 76249522), (357, 58308458), (403, 51652902), (434, 47963409), (438, 47525387), (442, 47095293), (511, 40736046), (527, 39499278), (546, 38124761), (651, 31975606), (663, 31396862), (714, 29154229), (806, 25826451), (949, 21934794), (991, 21005166), (1022, 20368023), (1054, 19749639), (1209, 17217634), (1241, 16773666), (1302, 15987803), (1326, 15698431), (1533, 13578682), (1547, 13455798), (1581, 13166426), (1898, 10967397), (1982, 10502583), (2263, 9198462), (2418, 8608817), (2482, 8386833), (2821, 7378986), (2847, 7311598), (2973, 7001722), (3066, 6789341), (3094, 6727899), (3162, 6583213), (3689, 5642754), (3723, 5591222), (4526, 4599231), (4641, 4485266), (5642, 3689493), (5694, 3655799), (5946, 3500861), (6643, 3133542), (6789, 3066154), (6851, 3038406), (6937, 3000738), (7378, 2821377), (7446, 2795611), (8463, 2459662), (8687, 2396238), (9282, 2242633), (11067, 1880918), (12883, 1615782), (13286, 1566771), (13578, 1533077), (13702, 1519203), (13874, 1500369), (15841, 1314066), (16133, 1290282), (16847, 1235598), (16926, 1229831), (17374, 1198119), (19929, 1044514), (20553, 1012802), (20811, 1000246), (22134, 940459), (25766, 807891), (26061, 798746), (29419, 707574), (30721, 677586), (31682, 657033), (32266, 645141), (33694, 617799), (38471, 541086), (38649, 538594), (39858, 522257), (41106, 506401), (41622, 500123), (47523, 438022), (47957, 434058), (48399, 430094), (50541, 411866), (52122, 399373), (58838, 353787), (61442, 338793), (72343, 287742), (76942, 270543), (77298, 269297), (88257, 235858), (90181, 230826), (92163, 225862), (95046, 219011), (95914, 217029), (96798, 215047), (101082, 205933), (112931, 184326), (115413, 180362), (117929, 176514), (143871, 144686)]