2020125555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3067}}^1$

素因数の和:3146

約数の個数: 128

約数和(自身を含む): 4453263360

約数和(自身を除く): 2433137805

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 41, 45, 51, 63, 85, 105, 119, 123, 135, 153, 189, 205, 255, 287, 315, 357, 369, 459, 595, 615, 697, 765, 861, 945, 1071, 1107, 1435, 1785, 1845, 2091, 2295, 2583, 3067, 3213, 3485, 4305, 4879, 5355, 5535, 6273, 7749, 9201, 10455, 12915, 14637, 15335, 16065, 18819, 21469, 24395, 27603, 31365, 38745, 43911, 46005, 52139, 64407, 73185, 82809, 94095, 107345, 125747, 131733, 138015, 156417, 193221, 219555, 260695, 322035, 364973, 377241, 414045, 469251, 579663, 628735, 658665, 782085, 880229, 966105, 1094919, 1131723, 1407753, 1824865, 1886205, 2137699, 2346255, 2640687, 2898315, 3284757, 3395169, 4401145, 5474595, 5658615, 6413097, 7038765, 7922061, 9854271, 10688495, 13203435, 14963893, 16423785, 16975845, 19239291, 23766183, 32065485, 39610305, 44891679, 49271355, 57717873, 74819465, 96196455, 118830915, 134675037, 224458395, 288589365, 404025111, 673375185, 2020125555]

約数ペア:

[(1, 2020125555), (3, 673375185), (5, 404025111), (7, 288589365), (9, 224458395), (15, 134675037), (17, 118830915), (21, 96196455), (27, 74819465), (35, 57717873), (41, 49271355), (45, 44891679), (51, 39610305), (63, 32065485), (85, 23766183), (105, 19239291), (119, 16975845), (123, 16423785), (135, 14963893), (153, 13203435), (189, 10688495), (205, 9854271), (255, 7922061), (287, 7038765), (315, 6413097), (357, 5658615), (369, 5474595), (459, 4401145), (595, 3395169), (615, 3284757), (697, 2898315), (765, 2640687), (861, 2346255), (945, 2137699), (1071, 1886205), (1107, 1824865), (1435, 1407753), (1785, 1131723), (1845, 1094919), (2091, 966105), (2295, 880229), (2583, 782085), (3067, 658665), (3213, 628735), (3485, 579663), (4305, 469251), (4879, 414045), (5355, 377241), (5535, 364973), (6273, 322035), (7749, 260695), (9201, 219555), (10455, 193221), (12915, 156417), (14637, 138015), (15335, 131733), (16065, 125747), (18819, 107345), (21469, 94095), (24395, 82809), (27603, 73185), (31365, 64407), (38745, 52139), (43911, 46005)]