20757021264

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{823}}^1$

素因数の和:1166

約数の個数: 240

約数和(自身を含む): 67328262144

約数和(自身を除く): 46571240880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 131, 144, 168, 191, 252, 262, 336, 382, 393, 504, 524, 573, 764, 786, 823, 917, 1008, 1048, 1146, 1179, 1337, 1528, 1572, 1646, 1719, 1834, 2096, 2292, 2358, 2469, 2674, 2751, 3056, 3144, 3292, 3438, 3668, 4011, 4584, 4716, 4938, 5348, 5502, 5761, 6288, 6584, 6876, 7336, 7407, 8022, 8253, 9168, 9432, 9876, 10696, 11004, 11522, 12033, 13168, 13752, 14672, 14814, 16044, 16506, 17283, 18864, 19752, 21392, 22008, 23044, 24066, 25021, 27504, 29628, 32088, 33012, 34566, 39504, 44016, 46088, 48132, 50042, 51849, 59256, 64176, 66024, 69132, 75063, 92176, 96264, 100084, 103698, 107813, 118512, 132048, 138264, 150126, 157193, 175147, 192528, 200168, 207396, 215626, 225189, 276528, 300252, 314386, 323439, 350294, 400336, 414792, 431252, 450378, 471579, 525441, 600504, 628772, 646878, 700588, 754691, 829584, 862504, 900756, 943158, 970317, 1050882, 1100351, 1201008, 1257544, 1293756, 1401176, 1414737, 1509382, 1576323, 1725008, 1801512, 1886316, 1940634, 2101764, 2200702, 2264073, 2515088, 2587512, 2802352, 2829474, 3018764, 3152646, 3301053, 3603024, 3772632, 3881268, 4203528, 4401404, 4528146, 5175024, 5658948, 6037528, 6305292, 6602106, 6792219, 7545264, 7762536, 8407056, 8802808, 9056292, 9903159, 11317896, 12075056, 12610584, 13204212, 13584438, 15525072, 17605616, 18112584, 19806318, 20592283, 22635792, 25221168, 26408424, 27168876, 36225168, 39612636, 41184566, 52816848, 54337752, 61776849, 79225272, 82369132, 108675504, 123553698, 144145981, 158450544, 164738264, 185330547, 247107396, 288291962, 329476528, 370661094, 432437943, 494214792, 576583924, 741322188, 864875886, 988429584, 1153167848, 1297313829, 1482644376, 1729751772, 2306335696, 2594627658, 2965288752, 3459503544, 5189255316, 6919007088, 10378510632, 20757021264]

約数ペア:

[(1, 20757021264), (2, 10378510632), (3, 6919007088), (4, 5189255316), (6, 3459503544), (7, 2965288752), (8, 2594627658), (9, 2306335696), (12, 1729751772), (14, 1482644376), (16, 1297313829), (18, 1153167848), (21, 988429584), (24, 864875886), (28, 741322188), (36, 576583924), (42, 494214792), (48, 432437943), (56, 370661094), (63, 329476528), (72, 288291962), (84, 247107396), (112, 185330547), (126, 164738264), (131, 158450544), (144, 144145981), (168, 123553698), (191, 108675504), (252, 82369132), (262, 79225272), (336, 61776849), (382, 54337752), (393, 52816848), (504, 41184566), (524, 39612636), (573, 36225168), (764, 27168876), (786, 26408424), (823, 25221168), (917, 22635792), (1008, 20592283), (1048, 19806318), (1146, 18112584), (1179, 17605616), (1337, 15525072), (1528, 13584438), (1572, 13204212), (1646, 12610584), (1719, 12075056), (1834, 11317896), (2096, 9903159), (2292, 9056292), (2358, 8802808), (2469, 8407056), (2674, 7762536), (2751, 7545264), (3056, 6792219), (3144, 6602106), (3292, 6305292), (3438, 6037528), (3668, 5658948), (4011, 5175024), (4584, 4528146), (4716, 4401404), (4938, 4203528), (5348, 3881268), (5502, 3772632), (5761, 3603024), (6288, 3301053), (6584, 3152646), (6876, 3018764), (7336, 2829474), (7407, 2802352), (8022, 2587512), (8253, 2515088), (9168, 2264073), (9432, 2200702), (9876, 2101764), (10696, 1940634), (11004, 1886316), (11522, 1801512), (12033, 1725008), (13168, 1576323), (13752, 1509382), (14672, 1414737), (14814, 1401176), (16044, 1293756), (16506, 1257544), (17283, 1201008), (18864, 1100351), (19752, 1050882), (21392, 970317), (22008, 943158), (23044, 900756), (24066, 862504), (25021, 829584), (27504, 754691), (29628, 700588), (32088, 646878), (33012, 628772), (34566, 600504), (39504, 525441), (44016, 471579), (46088, 450378), (48132, 431252), (50042, 414792), (51849, 400336), (59256, 350294), (64176, 323439), (66024, 314386), (69132, 300252), (75063, 276528), (92176, 225189), (96264, 215626), (100084, 207396), (103698, 200168), (107813, 192528), (118512, 175147), (132048, 157193), (138264, 150126)]