20512197891

素因数分解:

$3^5\times {\mathrm{139}}^1\times {\mathrm{499}}^1\times {\mathrm{1217}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 31034640000

約数和(自身を除く): 10522442109

約数列:

[1, 3, 9, 27, 81, 139, 243, 417, 499, 1217, 1251, 1497, 3651, 3753, 4491, 10953, 11259, 13473, 32859, 33777, 40419, 69361, 98577, 121257, 169163, 208083, 295731, 507489, 607283, 624249, 1522467, 1821849, 1872747, 4567401, 5465547, 5618241, 13702203, 16396641, 16854723, 41106609, 49189923, 84412337, 147569769, 253237011, 759711033, 2279133099, 6837399297, 20512197891]

約数ペア:

[(1, 20512197891), (3, 6837399297), (9, 2279133099), (27, 759711033), (81, 253237011), (139, 147569769), (243, 84412337), (417, 49189923), (499, 41106609), (1217, 16854723), (1251, 16396641), (1497, 13702203), (3651, 5618241), (3753, 5465547), (4491, 4567401), (10953, 1872747), (11259, 1821849), (13473, 1522467), (32859, 624249), (33777, 607283), (40419, 507489), (69361, 295731), (98577, 208083), (121257, 169163)]