20163379712

素因数分解:

$2^9\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{2393}}^1$

素因数の和:4769

約数の個数: 80

約数和(自身を含む): 46081550592

約数和(自身を除く): 25918170880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 2351, 2393, 3584, 4702, 4786, 9404, 9572, 16457, 16751, 18808, 19144, 32914, 33502, 37616, 38288, 65828, 67004, 75232, 76576, 131656, 134008, 150464, 153152, 263312, 268016, 300928, 306304, 526624, 536032, 601856, 612608, 1053248, 1072064, 1203712, 1225216, 2106496, 2144128, 4212992, 4288256, 5625943, 8425984, 8576512, 11251886, 22503772, 39381601, 45007544, 78763202, 90015088, 157526404, 180030176, 315052808, 360060352, 630105616, 720120704, 1260211232, 1440241408, 2520422464, 2880482816, 5040844928, 10081689856, 20163379712]

約数ペア:

[(1, 20163379712), (2, 10081689856), (4, 5040844928), (7, 2880482816), (8, 2520422464), (14, 1440241408), (16, 1260211232), (28, 720120704), (32, 630105616), (56, 360060352), (64, 315052808), (112, 180030176), (128, 157526404), (224, 90015088), (256, 78763202), (448, 45007544), (512, 39381601), (896, 22503772), (1792, 11251886), (2351, 8576512), (2393, 8425984), (3584, 5625943), (4702, 4288256), (4786, 4212992), (9404, 2144128), (9572, 2106496), (16457, 1225216), (16751, 1203712), (18808, 1072064), (19144, 1053248), (32914, 612608), (33502, 601856), (37616, 536032), (38288, 526624), (65828, 306304), (67004, 300928), (75232, 268016), (76576, 263312), (131656, 153152), (134008, 150464)]