20900705784

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{613}}^1$

素因数の和:1082

約数の個数: 192

約数和(自身を含む): 61820467200

約数和(自身を除く): 40919761416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 79, 84, 98, 147, 158, 168, 196, 237, 294, 316, 367, 392, 474, 553, 588, 613, 632, 734, 948, 1101, 1106, 1176, 1226, 1468, 1659, 1839, 1896, 2202, 2212, 2452, 2569, 2936, 3318, 3678, 3871, 4291, 4404, 4424, 4904, 5138, 6636, 7356, 7707, 7742, 8582, 8808, 10276, 11613, 12873, 13272, 14712, 15414, 15484, 17164, 17983, 20552, 23226, 25746, 28993, 30037, 30828, 30968, 34328, 35966, 46452, 48427, 51492, 53949, 57986, 60074, 61656, 71932, 86979, 90111, 92904, 96854, 102984, 107898, 115972, 120148, 143864, 145281, 173958, 180222, 193708, 202951, 215796, 224971, 231944, 240296, 290562, 338989, 347916, 360444, 387416, 405902, 431592, 449942, 581124, 608853, 674913, 677978, 695832, 720888, 811804, 899884, 1016967, 1162248, 1217706, 1349826, 1355956, 1420657, 1574797, 1623608, 1799768, 2033934, 2372923, 2435412, 2699652, 2711912, 2841314, 3149594, 4067868, 4261971, 4724391, 4745846, 4870824, 5399304, 5682628, 6299188, 7118769, 8135736, 8523942, 9448782, 9491692, 11023579, 11365256, 12598376, 14237538, 17047884, 17772709, 18897564, 18983384, 22047158, 28475076, 33070737, 34095768, 35545418, 37795128, 44094316, 53318127, 56950152, 66141474, 71090836, 88188632, 106636254, 124408963, 132282948, 142181672, 213272508, 248817926, 264565896, 373226889, 426545016, 497635852, 746453778, 870862741, 995271704, 1492907556, 1741725482, 2612588223, 2985815112, 3483450964, 5225176446, 6966901928, 10450352892, 20900705784]

約数ペア:

[(1, 20900705784), (2, 10450352892), (3, 6966901928), (4, 5225176446), (6, 3483450964), (7, 2985815112), (8, 2612588223), (12, 1741725482), (14, 1492907556), (21, 995271704), (24, 870862741), (28, 746453778), (42, 497635852), (49, 426545016), (56, 373226889), (79, 264565896), (84, 248817926), (98, 213272508), (147, 142181672), (158, 132282948), (168, 124408963), (196, 106636254), (237, 88188632), (294, 71090836), (316, 66141474), (367, 56950152), (392, 53318127), (474, 44094316), (553, 37795128), (588, 35545418), (613, 34095768), (632, 33070737), (734, 28475076), (948, 22047158), (1101, 18983384), (1106, 18897564), (1176, 17772709), (1226, 17047884), (1468, 14237538), (1659, 12598376), (1839, 11365256), (1896, 11023579), (2202, 9491692), (2212, 9448782), (2452, 8523942), (2569, 8135736), (2936, 7118769), (3318, 6299188), (3678, 5682628), (3871, 5399304), (4291, 4870824), (4404, 4745846), (4424, 4724391), (4904, 4261971), (5138, 4067868), (6636, 3149594), (7356, 2841314), (7707, 2711912), (7742, 2699652), (8582, 2435412), (8808, 2372923), (10276, 2033934), (11613, 1799768), (12873, 1623608), (13272, 1574797), (14712, 1420657), (15414, 1355956), (15484, 1349826), (17164, 1217706), (17983, 1162248), (20552, 1016967), (23226, 899884), (25746, 811804), (28993, 720888), (30037, 695832), (30828, 677978), (30968, 674913), (34328, 608853), (35966, 581124), (46452, 449942), (48427, 431592), (51492, 405902), (53949, 387416), (57986, 360444), (60074, 347916), (61656, 338989), (71932, 290562), (86979, 240296), (90111, 231944), (92904, 224971), (96854, 215796), (102984, 202951), (107898, 193708), (115972, 180222), (120148, 173958), (143864, 145281)]