20123809857

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{3697}}^1$

素因数の和:3852

約数の個数: 80

約数和(自身を含む): 32861315520

約数和(自身を除く): 12737505663

約数列:

[1, 3, 9, 17, 27, 51, 59, 67, 81, 153, 177, 201, 459, 531, 603, 1003, 1139, 1377, 1593, 1809, 3009, 3417, 3697, 3953, 4779, 5427, 9027, 10251, 11091, 11859, 27081, 30753, 33273, 35577, 62849, 67201, 81243, 92259, 99819, 106731, 188547, 201603, 218123, 247699, 299457, 320193, 565641, 604809, 654369, 743097, 1696923, 1814427, 1963107, 2229291, 3708091, 4210883, 5090769, 5443281, 5889321, 6687873, 11124273, 12632649, 14614241, 17667963, 20063619, 33372819, 37897947, 43842723, 100118457, 113693841, 131528169, 248442097, 300355371, 341081523, 394584507, 745326291, 1183753521, 2235978873, 6707936619, 20123809857]

約数ペア:

[(1, 20123809857), (3, 6707936619), (9, 2235978873), (17, 1183753521), (27, 745326291), (51, 394584507), (59, 341081523), (67, 300355371), (81, 248442097), (153, 131528169), (177, 113693841), (201, 100118457), (459, 43842723), (531, 37897947), (603, 33372819), (1003, 20063619), (1139, 17667963), (1377, 14614241), (1593, 12632649), (1809, 11124273), (3009, 6687873), (3417, 5889321), (3697, 5443281), (3953, 5090769), (4779, 4210883), (5427, 3708091), (9027, 2229291), (10251, 1963107), (11091, 1814427), (11859, 1696923), (27081, 743097), (30753, 654369), (33273, 604809), (35577, 565641), (62849, 320193), (67201, 299457), (81243, 247699), (92259, 218123), (99819, 201603), (106731, 188547)]