20597977404

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:985

約数の個数: 192

約数和(自身を含む): 56922808320

約数和(自身を除く): 36324830916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 37, 54, 62, 74, 93, 108, 111, 124, 148, 186, 222, 257, 279, 333, 372, 444, 514, 558, 647, 666, 771, 837, 999, 1028, 1116, 1147, 1294, 1332, 1542, 1674, 1941, 1998, 2294, 2313, 2588, 3084, 3348, 3441, 3882, 3996, 4588, 4626, 5823, 6882, 6939, 7764, 7967, 9252, 9509, 10323, 11646, 13764, 13878, 15934, 17469, 19018, 20057, 20646, 23292, 23901, 23939, 27756, 28527, 30969, 31868, 34938, 38036, 40114, 41292, 47802, 47878, 57054, 60171, 61938, 69876, 71703, 71817, 80228, 85581, 95604, 95756, 114108, 120342, 123876, 143406, 143634, 166279, 171162, 180513, 215109, 215451, 240684, 256743, 286812, 287268, 294779, 332558, 342324, 361026, 430218, 430902, 498837, 513486, 541539, 589558, 646353, 665116, 722052, 742109, 860436, 861804, 884337, 997674, 1026972, 1083078, 1179116, 1292706, 1484218, 1496511, 1768674, 1995348, 2166156, 2226327, 2585412, 2653011, 2968436, 2993022, 3537348, 4452654, 4489533, 5154649, 5306022, 5986044, 6152323, 6678981, 7959033, 8905308, 8979066, 10309298, 10612044, 12304646, 13357962, 15463947, 15918066, 17958132, 18456969, 20036943, 20618596, 24609292, 26715924, 30927894, 31836132, 36913938, 40073886, 46391841, 55370907, 61855788, 73827876, 80147772, 92783682, 110741814, 139175523, 166112721, 185567364, 190722013, 221483628, 278351046, 332225442, 381444026, 556702092, 572166039, 664450884, 762888052, 1144332078, 1716498117, 2288664156, 3432996234, 5149494351, 6865992468, 10298988702, 20597977404]

約数ペア:

[(1, 20597977404), (2, 10298988702), (3, 6865992468), (4, 5149494351), (6, 3432996234), (9, 2288664156), (12, 1716498117), (18, 1144332078), (27, 762888052), (31, 664450884), (36, 572166039), (37, 556702092), (54, 381444026), (62, 332225442), (74, 278351046), (93, 221483628), (108, 190722013), (111, 185567364), (124, 166112721), (148, 139175523), (186, 110741814), (222, 92783682), (257, 80147772), (279, 73827876), (333, 61855788), (372, 55370907), (444, 46391841), (514, 40073886), (558, 36913938), (647, 31836132), (666, 30927894), (771, 26715924), (837, 24609292), (999, 20618596), (1028, 20036943), (1116, 18456969), (1147, 17958132), (1294, 15918066), (1332, 15463947), (1542, 13357962), (1674, 12304646), (1941, 10612044), (1998, 10309298), (2294, 8979066), (2313, 8905308), (2588, 7959033), (3084, 6678981), (3348, 6152323), (3441, 5986044), (3882, 5306022), (3996, 5154649), (4588, 4489533), (4626, 4452654), (5823, 3537348), (6882, 2993022), (6939, 2968436), (7764, 2653011), (7967, 2585412), (9252, 2226327), (9509, 2166156), (10323, 1995348), (11646, 1768674), (13764, 1496511), (13878, 1484218), (15934, 1292706), (17469, 1179116), (19018, 1083078), (20057, 1026972), (20646, 997674), (23292, 884337), (23901, 861804), (23939, 860436), (27756, 742109), (28527, 722052), (30969, 665116), (31868, 646353), (34938, 589558), (38036, 541539), (40114, 513486), (41292, 498837), (47802, 430902), (47878, 430218), (57054, 361026), (60171, 342324), (61938, 332558), (69876, 294779), (71703, 287268), (71817, 286812), (80228, 256743), (85581, 240684), (95604, 215451), (95756, 215109), (114108, 180513), (120342, 171162), (123876, 166279), (143406, 143634)]