20681799232

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{1627}}^1\times {\mathrm{2393}}^1$

素因数の和:4115

約数の個数: 56

約数和(自身を含む): 41577804576

約数和(自身を除く): 20896005344

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 1627, 2393, 2656, 3254, 4786, 5312, 6508, 9572, 13016, 19144, 26032, 38288, 52064, 76576, 104128, 135041, 153152, 198619, 270082, 397238, 540164, 794476, 1080328, 1588952, 2160656, 3177904, 3893411, 4321312, 6355808, 7786822, 8642624, 12711616, 15573644, 31147288, 62294576, 124589152, 249178304, 323153113, 646306226, 1292612452, 2585224904, 5170449808, 10340899616, 20681799232]

約数ペア:

[(1, 20681799232), (2, 10340899616), (4, 5170449808), (8, 2585224904), (16, 1292612452), (32, 646306226), (64, 323153113), (83, 249178304), (166, 124589152), (332, 62294576), (664, 31147288), (1328, 15573644), (1627, 12711616), (2393, 8642624), (2656, 7786822), (3254, 6355808), (4786, 4321312), (5312, 3893411), (6508, 3177904), (9572, 2160656), (13016, 1588952), (19144, 1080328), (26032, 794476), (38288, 540164), (52064, 397238), (76576, 270082), (104128, 198619), (135041, 153152)]