2020339984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1091}}^1$

素因数の和:1448

約数の個数: 80

約数和(自身を含む): 4379094720

約数和(自身を除く): 2358754736

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 307, 377, 464, 614, 754, 1091, 1228, 1508, 2182, 2456, 3016, 3991, 4364, 4912, 6032, 7982, 8728, 8903, 14183, 15964, 17456, 17806, 28366, 31639, 31928, 35612, 56732, 63278, 63856, 71224, 113464, 115739, 126556, 142448, 226928, 231478, 253112, 334937, 411307, 462956, 506224, 669874, 822614, 925912, 1339748, 1645228, 1851824, 2679496, 3290456, 4354181, 5358992, 6580912, 8708362, 9713173, 17416724, 19426346, 34833448, 38852692, 69666896, 77705384, 126271249, 155410768, 252542498, 505084996, 1010169992, 2020339984]

約数ペア:

[(1, 2020339984), (2, 1010169992), (4, 505084996), (8, 252542498), (13, 155410768), (16, 126271249), (26, 77705384), (29, 69666896), (52, 38852692), (58, 34833448), (104, 19426346), (116, 17416724), (208, 9713173), (232, 8708362), (307, 6580912), (377, 5358992), (464, 4354181), (614, 3290456), (754, 2679496), (1091, 1851824), (1228, 1645228), (1508, 1339748), (2182, 925912), (2456, 822614), (3016, 669874), (3991, 506224), (4364, 462956), (4912, 411307), (6032, 334937), (7982, 253112), (8728, 231478), (8903, 226928), (14183, 142448), (15964, 126556), (17456, 115739), (17806, 113464), (28366, 71224), (31639, 63856), (31928, 63278), (35612, 56732)]