20121949232

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{58963}}^1$

素因数の和:59266

約数の個数: 80

約数和(自身を含む): 48782568192

約数和(自身を除く): 28660618960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 277, 308, 554, 616, 1108, 1232, 1939, 2216, 3047, 3878, 4432, 6094, 7756, 12188, 15512, 21329, 24376, 31024, 42658, 48752, 58963, 85316, 117926, 170632, 235852, 341264, 412741, 471704, 648593, 825482, 943408, 1297186, 1650964, 2594372, 3301928, 4540151, 5188744, 6603856, 9080302, 10377488, 16332751, 18160604, 32665502, 36321208, 65331004, 72642416, 114329257, 130662008, 179660261, 228658514, 261324016, 359320522, 457317028, 718641044, 914634056, 1257621827, 1437282088, 1829268112, 2515243654, 2874564176, 5030487308, 10060974616, 20121949232]

約数ペア:

[(1, 20121949232), (2, 10060974616), (4, 5030487308), (7, 2874564176), (8, 2515243654), (11, 1829268112), (14, 1437282088), (16, 1257621827), (22, 914634056), (28, 718641044), (44, 457317028), (56, 359320522), (77, 261324016), (88, 228658514), (112, 179660261), (154, 130662008), (176, 114329257), (277, 72642416), (308, 65331004), (554, 36321208), (616, 32665502), (1108, 18160604), (1232, 16332751), (1939, 10377488), (2216, 9080302), (3047, 6603856), (3878, 5188744), (4432, 4540151), (6094, 3301928), (7756, 2594372), (12188, 1650964), (15512, 1297186), (21329, 943408), (24376, 825482), (31024, 648593), (42658, 471704), (48752, 412741), (58963, 341264), (85316, 235852), (117926, 170632)]