20123085045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{16603}}^1$

素因数の和:16739

約数の個数: 96

約数和(自身を含む): 40067975808

約数和(自身を除く): 19944890763

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 97, 105, 119, 147, 245, 255, 291, 357, 485, 595, 679, 735, 833, 1455, 1649, 1785, 2037, 2499, 3395, 4165, 4753, 4947, 8245, 10185, 11543, 12495, 14259, 16603, 23765, 24735, 34629, 49809, 57715, 71295, 80801, 83015, 116221, 173145, 242403, 249045, 282251, 348663, 404005, 581105, 813547, 846753, 1212015, 1411255, 1610491, 1743315, 1975757, 2440641, 4067735, 4233765, 4831473, 5927271, 8052455, 9878785, 11273437, 12203205, 13830299, 24157365, 27378347, 29636355, 33820311, 41490897, 56367185, 69151495, 78914059, 82135041, 136891735, 169101555, 191648429, 207454485, 236742177, 394570295, 410675205, 574945287, 958242145, 1183710885, 1341539003, 2874726435, 4024617009, 6707695015, 20123085045]

約数ペア:

[(1, 20123085045), (3, 6707695015), (5, 4024617009), (7, 2874726435), (15, 1341539003), (17, 1183710885), (21, 958242145), (35, 574945287), (49, 410675205), (51, 394570295), (85, 236742177), (97, 207454485), (105, 191648429), (119, 169101555), (147, 136891735), (245, 82135041), (255, 78914059), (291, 69151495), (357, 56367185), (485, 41490897), (595, 33820311), (679, 29636355), (735, 27378347), (833, 24157365), (1455, 13830299), (1649, 12203205), (1785, 11273437), (2037, 9878785), (2499, 8052455), (3395, 5927271), (4165, 4831473), (4753, 4233765), (4947, 4067735), (8245, 2440641), (10185, 1975757), (11543, 1743315), (12495, 1610491), (14259, 1411255), (16603, 1212015), (23765, 846753), (24735, 813547), (34629, 581105), (49809, 404005), (57715, 348663), (71295, 282251), (80801, 249045), (83015, 242403), (116221, 173145)]