20208978888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{307651}}^1$

素因数の和:307707

約数の個数: 128

約数和(自身を含む): 63794718720

約数和(自身を除く): 43585739832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 23, 24, 28, 34, 42, 46, 51, 56, 68, 69, 84, 92, 102, 119, 136, 138, 161, 168, 184, 204, 238, 276, 322, 357, 391, 408, 476, 483, 552, 644, 714, 782, 952, 966, 1173, 1288, 1428, 1564, 1932, 2346, 2737, 2856, 3128, 3864, 4692, 5474, 8211, 9384, 10948, 16422, 21896, 32844, 65688, 307651, 615302, 922953, 1230604, 1845906, 2153557, 2461208, 3691812, 4307114, 5230067, 6460671, 7075973, 7383624, 8614228, 10460134, 12921342, 14151946, 15690201, 17228456, 20920268, 21227919, 25842684, 28303892, 31380402, 36610469, 41840536, 42455838, 49531811, 51685368, 56607784, 62760804, 73220938, 84911676, 99063622, 109831407, 120291541, 125521608, 146441876, 148595433, 169823352, 198127244, 219662814, 240583082, 292883752, 297190866, 360874623, 396254488, 439325628, 481166164, 594381732, 721749246, 842040787, 878651256, 962332328, 1188763464, 1443498492, 1684081574, 2526122361, 2886996984, 3368163148, 5052244722, 6736326296, 10104489444, 20208978888]

約数ペア:

[(1, 20208978888), (2, 10104489444), (3, 6736326296), (4, 5052244722), (6, 3368163148), (7, 2886996984), (8, 2526122361), (12, 1684081574), (14, 1443498492), (17, 1188763464), (21, 962332328), (23, 878651256), (24, 842040787), (28, 721749246), (34, 594381732), (42, 481166164), (46, 439325628), (51, 396254488), (56, 360874623), (68, 297190866), (69, 292883752), (84, 240583082), (92, 219662814), (102, 198127244), (119, 169823352), (136, 148595433), (138, 146441876), (161, 125521608), (168, 120291541), (184, 109831407), (204, 99063622), (238, 84911676), (276, 73220938), (322, 62760804), (357, 56607784), (391, 51685368), (408, 49531811), (476, 42455838), (483, 41840536), (552, 36610469), (644, 31380402), (714, 28303892), (782, 25842684), (952, 21227919), (966, 20920268), (1173, 17228456), (1288, 15690201), (1428, 14151946), (1564, 12921342), (1932, 10460134), (2346, 8614228), (2737, 7383624), (2856, 7075973), (3128, 6460671), (3864, 5230067), (4692, 4307114), (5474, 3691812), (8211, 2461208), (9384, 2153557), (10948, 1845906), (16422, 1230604), (21896, 922953), (32844, 615302), (65688, 307651)]