20765214

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 49977600

約数和(自身を除く): 29212386

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 111, 114, 171, 222, 333, 342, 513, 547, 666, 703, 999, 1026, 1094, 1406, 1641, 1998, 2109, 3282, 4218, 4923, 6327, 9846, 10393, 12654, 14769, 18981, 20239, 20786, 29538, 31179, 37962, 40478, 60717, 62358, 93537, 121434, 182151, 187074, 280611, 364302, 384541, 546453, 561222, 769082, 1092906, 1153623, 2307246, 3460869, 6921738, 10382607, 20765214]

約数ペア:

[(1, 20765214), (2, 10382607), (3, 6921738), (6, 3460869), (9, 2307246), (18, 1153623), (19, 1092906), (27, 769082), (37, 561222), (38, 546453), (54, 384541), (57, 364302), (74, 280611), (111, 187074), (114, 182151), (171, 121434), (222, 93537), (333, 62358), (342, 60717), (513, 40478), (547, 37962), (666, 31179), (703, 29538), (999, 20786), (1026, 20239), (1094, 18981), (1406, 14769), (1641, 12654), (1998, 10393), (2109, 9846), (3282, 6327), (4218, 4923)]