20178342016

素因数分解:

$2^7\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{1847}}^1$

素因数の和:2094

約数の個数: 128

約数和(自身を含む): 46822406400

約数和(自身を除く): 26644064384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 137, 178, 224, 274, 356, 448, 548, 623, 712, 896, 959, 1096, 1246, 1424, 1847, 1918, 2192, 2492, 2848, 3694, 3836, 4384, 4984, 5696, 7388, 7672, 8768, 9968, 11392, 12193, 12929, 14776, 15344, 17536, 19936, 24386, 25858, 29552, 30688, 39872, 48772, 51716, 59104, 61376, 79744, 85351, 97544, 103432, 118208, 122752, 164383, 170702, 195088, 206864, 236416, 253039, 328766, 341404, 390176, 413728, 506078, 657532, 682808, 780352, 827456, 1012156, 1150681, 1315064, 1365616, 1560704, 1654912, 1771273, 2024312, 2301362, 2630128, 2731232, 3542546, 4048624, 4602724, 5260256, 5462464, 7085092, 8097248, 9205448, 10520512, 10924928, 14170184, 16194496, 18410896, 21041024, 22520471, 28340368, 32388992, 36821792, 45040942, 56680736, 73643584, 90081884, 113361472, 147287168, 157643297, 180163768, 226722944, 315286594, 360327536, 630573188, 720655072, 1261146376, 1441310144, 2522292752, 2882620288, 5044585504, 10089171008, 20178342016]

約数ペア:

[(1, 20178342016), (2, 10089171008), (4, 5044585504), (7, 2882620288), (8, 2522292752), (14, 1441310144), (16, 1261146376), (28, 720655072), (32, 630573188), (56, 360327536), (64, 315286594), (89, 226722944), (112, 180163768), (128, 157643297), (137, 147287168), (178, 113361472), (224, 90081884), (274, 73643584), (356, 56680736), (448, 45040942), (548, 36821792), (623, 32388992), (712, 28340368), (896, 22520471), (959, 21041024), (1096, 18410896), (1246, 16194496), (1424, 14170184), (1847, 10924928), (1918, 10520512), (2192, 9205448), (2492, 8097248), (2848, 7085092), (3694, 5462464), (3836, 5260256), (4384, 4602724), (4984, 4048624), (5696, 3542546), (7388, 2731232), (7672, 2630128), (8768, 2301362), (9968, 2024312), (11392, 1771273), (12193, 1654912), (12929, 1560704), (14776, 1365616), (15344, 1315064), (17536, 1150681), (19936, 1012156), (24386, 827456), (25858, 780352), (29552, 682808), (30688, 657532), (39872, 506078), (48772, 413728), (51716, 390176), (59104, 341404), (61376, 328766), (79744, 253039), (85351, 236416), (97544, 206864), (103432, 195088), (118208, 170702), (122752, 164383)]