2020448912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{761}}^1$

素因数の和:1056

約数の個数: 80

約数和(自身を含む): 4265566272

約数和(自身を除く): 2245117360

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 227, 272, 344, 454, 688, 731, 761, 908, 1462, 1522, 1816, 2924, 3044, 3632, 3859, 5848, 6088, 7718, 9761, 11696, 12176, 12937, 15436, 19522, 25874, 30872, 32723, 39044, 51748, 61744, 65446, 78088, 103496, 130892, 156176, 165937, 172747, 206992, 261784, 331874, 345494, 523568, 556291, 663748, 690988, 1112582, 1327496, 1381976, 2225164, 2654992, 2763952, 2936699, 4450328, 5873398, 7428121, 8900656, 11746796, 14856242, 23493592, 29712484, 46987184, 59424968, 118849936, 126278057, 252556114, 505112228, 1010224456, 2020448912]

約数ペア:

[(1, 2020448912), (2, 1010224456), (4, 505112228), (8, 252556114), (16, 126278057), (17, 118849936), (34, 59424968), (43, 46987184), (68, 29712484), (86, 23493592), (136, 14856242), (172, 11746796), (227, 8900656), (272, 7428121), (344, 5873398), (454, 4450328), (688, 2936699), (731, 2763952), (761, 2654992), (908, 2225164), (1462, 1381976), (1522, 1327496), (1816, 1112582), (2924, 690988), (3044, 663748), (3632, 556291), (3859, 523568), (5848, 345494), (6088, 331874), (7718, 261784), (9761, 206992), (11696, 172747), (12176, 165937), (12937, 156176), (15436, 130892), (19522, 103496), (25874, 78088), (30872, 65446), (32723, 61744), (39044, 51748)]