20774249457

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 31104144000

約数和(自身を除く): 10329894543

約数列:

[1, 3, 13, 39, 59, 79, 149, 169, 177, 237, 447, 507, 767, 1027, 1937, 2301, 3081, 3481, 4661, 5811, 8791, 9971, 10443, 11771, 13351, 13983, 25181, 26373, 29913, 35313, 40053, 45253, 60593, 75543, 114283, 135759, 153023, 181779, 274999, 342849, 459069, 518669, 588289, 694489, 787709, 824997, 1485679, 1556007, 1764867, 1989299, 2083467, 2363127, 3574987, 4457037, 5967897, 6742697, 9028357, 10724961, 20228091, 27085071, 40974851, 46474831, 87655061, 117368641, 122924553, 139424493, 262965183, 352105923, 532673063, 1598019189, 6924749819, 20774249457]

約数ペア:

[(1, 20774249457), (3, 6924749819), (13, 1598019189), (39, 532673063), (59, 352105923), (79, 262965183), (149, 139424493), (169, 122924553), (177, 117368641), (237, 87655061), (447, 46474831), (507, 40974851), (767, 27085071), (1027, 20228091), (1937, 10724961), (2301, 9028357), (3081, 6742697), (3481, 5967897), (4661, 4457037), (5811, 3574987), (8791, 2363127), (9971, 2083467), (10443, 1989299), (11771, 1764867), (13351, 1556007), (13983, 1485679), (25181, 824997), (26373, 787709), (29913, 694489), (35313, 588289), (40053, 518669), (45253, 459069), (60593, 342849), (75543, 274999), (114283, 181779), (135759, 153023)]