20702977792

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:862

約数の個数: 144

約数和(自身を含む): 48035635200

約数和(自身を除く): 27332657408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 271, 356, 448, 479, 542, 623, 712, 896, 958, 1084, 1246, 1424, 1792, 1897, 1916, 2168, 2492, 2848, 3353, 3794, 3832, 4336, 4984, 5696, 6706, 7588, 7664, 8672, 9968, 11392, 13412, 15176, 15328, 17344, 19936, 22784, 24119, 26824, 30352, 30656, 34688, 39872, 42631, 48238, 53648, 60704, 61312, 69376, 79744, 85262, 96476, 107296, 121408, 122624, 129809, 159488, 168833, 170524, 192952, 214592, 242816, 259618, 298417, 337666, 341048, 385904, 429184, 485632, 519236, 596834, 675332, 682096, 771808, 858368, 908663, 1038472, 1193668, 1350664, 1364192, 1543616, 1817326, 2076944, 2387336, 2701328, 2728384, 3087232, 3634652, 4153888, 4774672, 5402656, 5456768, 6174464, 7269304, 8307776, 9549344, 10805312, 10913536, 11553001, 14538608, 16615552, 19098688, 21610624, 23106002, 29077216, 33231104, 38197376, 43221248, 46212004, 58154432, 76394752, 80871007, 92424008, 116308864, 161742014, 184848016, 232617728, 323484028, 369696032, 646968056, 739392064, 1293936112, 1478784128, 2587872224, 2957568256, 5175744448, 10351488896, 20702977792]

約数ペア:

[(1, 20702977792), (2, 10351488896), (4, 5175744448), (7, 2957568256), (8, 2587872224), (14, 1478784128), (16, 1293936112), (28, 739392064), (32, 646968056), (56, 369696032), (64, 323484028), (89, 232617728), (112, 184848016), (128, 161742014), (178, 116308864), (224, 92424008), (256, 80871007), (271, 76394752), (356, 58154432), (448, 46212004), (479, 43221248), (542, 38197376), (623, 33231104), (712, 29077216), (896, 23106002), (958, 21610624), (1084, 19098688), (1246, 16615552), (1424, 14538608), (1792, 11553001), (1897, 10913536), (1916, 10805312), (2168, 9549344), (2492, 8307776), (2848, 7269304), (3353, 6174464), (3794, 5456768), (3832, 5402656), (4336, 4774672), (4984, 4153888), (5696, 3634652), (6706, 3087232), (7588, 2728384), (7664, 2701328), (8672, 2387336), (9968, 2076944), (11392, 1817326), (13412, 1543616), (15176, 1364192), (15328, 1350664), (17344, 1193668), (19936, 1038472), (22784, 908663), (24119, 858368), (26824, 771808), (30352, 682096), (30656, 675332), (34688, 596834), (39872, 519236), (42631, 485632), (48238, 429184), (53648, 385904), (60704, 341048), (61312, 337666), (69376, 298417), (79744, 259618), (85262, 242816), (96476, 214592), (107296, 192952), (121408, 170524), (122624, 168833), (129809, 159488)]