20915418624

素因数分解:

$2^9\times 3^1\times {\mathrm{673}}^1\times {\mathrm{20233}}^1$

素因数の和:20927

約数の個数: 80

約数和(自身を含む): 55805533872

約数和(自身を除く): 34890115248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 673, 768, 1346, 1536, 2019, 2692, 4038, 5384, 8076, 10768, 16152, 20233, 21536, 32304, 40466, 43072, 60699, 64608, 80932, 86144, 121398, 129216, 161864, 172288, 242796, 258432, 323728, 344576, 485592, 516864, 647456, 971184, 1033728, 1294912, 1942368, 2589824, 3884736, 5179648, 7769472, 10359296, 13616809, 15538944, 27233618, 31077888, 40850427, 54467236, 81700854, 108934472, 163401708, 217868944, 326803416, 435737888, 653606832, 871475776, 1307213664, 1742951552, 2614427328, 3485903104, 5228854656, 6971806208, 10457709312, 20915418624]

約数ペア:

[(1, 20915418624), (2, 10457709312), (3, 6971806208), (4, 5228854656), (6, 3485903104), (8, 2614427328), (12, 1742951552), (16, 1307213664), (24, 871475776), (32, 653606832), (48, 435737888), (64, 326803416), (96, 217868944), (128, 163401708), (192, 108934472), (256, 81700854), (384, 54467236), (512, 40850427), (673, 31077888), (768, 27233618), (1346, 15538944), (1536, 13616809), (2019, 10359296), (2692, 7769472), (4038, 5179648), (5384, 3884736), (8076, 2589824), (10768, 1942368), (16152, 1294912), (20233, 1033728), (21536, 971184), (32304, 647456), (40466, 516864), (43072, 485592), (60699, 344576), (64608, 323728), (80932, 258432), (86144, 242796), (121398, 172288), (129216, 161864)]