20512897713

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{85303}}^1$

素因数の和:85674

約数の個数: 48

約数和(自身を含む): 37047868416

約数和(自身を除く): 16534970703

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 347, 693, 1041, 2429, 3123, 3817, 7287, 11451, 21861, 26719, 34353, 80157, 85303, 240471, 255909, 597121, 767727, 938333, 1791363, 2814999, 5374089, 6568331, 8444997, 19704993, 29600141, 59114979, 88800423, 207200987, 266401269, 325601551, 621602961, 976804653, 1864808883, 2279210857, 2930413959, 6837632571, 20512897713]

約数ペア:

[(1, 20512897713), (3, 6837632571), (7, 2930413959), (9, 2279210857), (11, 1864808883), (21, 976804653), (33, 621602961), (63, 325601551), (77, 266401269), (99, 207200987), (231, 88800423), (347, 59114979), (693, 29600141), (1041, 19704993), (2429, 8444997), (3123, 6568331), (3817, 5374089), (7287, 2814999), (11451, 1791363), (21861, 938333), (26719, 767727), (34353, 597121), (80157, 255909), (85303, 240471)]