20403747616

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2531}}^1$

素因数の和:2667

約数の個数: 192

約数和(自身を含む): 50994074880

約数和(自身を除く): 30590327264

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 32, 34, 56, 58, 68, 73, 112, 116, 119, 136, 146, 203, 224, 232, 238, 272, 292, 406, 464, 476, 493, 511, 544, 584, 812, 928, 952, 986, 1022, 1168, 1241, 1624, 1904, 1972, 2044, 2117, 2336, 2482, 2531, 3248, 3451, 3808, 3944, 4088, 4234, 4964, 5062, 6496, 6902, 7888, 8176, 8468, 8687, 9928, 10124, 13804, 14819, 15776, 16352, 16936, 17374, 17717, 19856, 20248, 27608, 29638, 33872, 34748, 35434, 35989, 39712, 40496, 43027, 55216, 59276, 67744, 69496, 70868, 71978, 73399, 80992, 86054, 110432, 118552, 138992, 141736, 143956, 146798, 172108, 184763, 237104, 251923, 277984, 283472, 287912, 293596, 301189, 344216, 369526, 474208, 503846, 513793, 566944, 575824, 587192, 602378, 688432, 739052, 1007692, 1027586, 1151648, 1174384, 1204756, 1247783, 1293341, 1376864, 1478104, 2015384, 2055172, 2348768, 2409512, 2495566, 2586682, 2956208, 3140971, 4030768, 4110344, 4819024, 4991132, 5173364, 5358127, 5912416, 6281942, 8061536, 8220688, 8734481, 9638048, 9982264, 10346728, 10716254, 12563884, 16441376, 17468962, 19964528, 20693456, 21432508, 21986797, 25127768, 34937924, 37506889, 39929056, 41386912, 42865016, 43973594, 50255536, 69875848, 75013778, 85730032, 87947188, 91088159, 100511072, 139751696, 150027556, 171460064, 175894376, 182176318, 279503392, 300055112, 351788752, 364352636, 600110224, 637617113, 703577504, 728705272, 1200220448, 1275234226, 1457410544, 2550468452, 2914821088, 5100936904, 10201873808, 20403747616]

約数ペア:

[(1, 20403747616), (2, 10201873808), (4, 5100936904), (7, 2914821088), (8, 2550468452), (14, 1457410544), (16, 1275234226), (17, 1200220448), (28, 728705272), (29, 703577504), (32, 637617113), (34, 600110224), (56, 364352636), (58, 351788752), (68, 300055112), (73, 279503392), (112, 182176318), (116, 175894376), (119, 171460064), (136, 150027556), (146, 139751696), (203, 100511072), (224, 91088159), (232, 87947188), (238, 85730032), (272, 75013778), (292, 69875848), (406, 50255536), (464, 43973594), (476, 42865016), (493, 41386912), (511, 39929056), (544, 37506889), (584, 34937924), (812, 25127768), (928, 21986797), (952, 21432508), (986, 20693456), (1022, 19964528), (1168, 17468962), (1241, 16441376), (1624, 12563884), (1904, 10716254), (1972, 10346728), (2044, 9982264), (2117, 9638048), (2336, 8734481), (2482, 8220688), (2531, 8061536), (3248, 6281942), (3451, 5912416), (3808, 5358127), (3944, 5173364), (4088, 4991132), (4234, 4819024), (4964, 4110344), (5062, 4030768), (6496, 3140971), (6902, 2956208), (7888, 2586682), (8176, 2495566), (8468, 2409512), (8687, 2348768), (9928, 2055172), (10124, 2015384), (13804, 1478104), (14819, 1376864), (15776, 1293341), (16352, 1247783), (16936, 1204756), (17374, 1174384), (17717, 1151648), (19856, 1027586), (20248, 1007692), (27608, 739052), (29638, 688432), (33872, 602378), (34748, 587192), (35434, 575824), (35989, 566944), (39712, 513793), (40496, 503846), (43027, 474208), (55216, 369526), (59276, 344216), (67744, 301189), (69496, 293596), (70868, 287912), (71978, 283472), (73399, 277984), (80992, 251923), (86054, 237104), (110432, 184763), (118552, 172108), (138992, 146798), (141736, 143956)]