20514480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12211}}^1$

素因数の和:12234

約数の個数: 80

約数和(自身を含む): 72685824

約数和(自身を除く): 52171344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12211, 24422, 36633, 48844, 61055, 73266, 85477, 97688, 122110, 146532, 170954, 183165, 195376, 244220, 256431, 293064, 341908, 366330, 427385, 488440, 512862, 586128, 683816, 732660, 854770, 976880, 1025724, 1282155, 1367632, 1465320, 1709540, 2051448, 2564310, 2930640, 3419080, 4102896, 5128620, 6838160, 10257240, 20514480]

約数ペア:

[(1, 20514480), (2, 10257240), (3, 6838160), (4, 5128620), (5, 4102896), (6, 3419080), (7, 2930640), (8, 2564310), (10, 2051448), (12, 1709540), (14, 1465320), (15, 1367632), (16, 1282155), (20, 1025724), (21, 976880), (24, 854770), (28, 732660), (30, 683816), (35, 586128), (40, 512862), (42, 488440), (48, 427385), (56, 366330), (60, 341908), (70, 293064), (80, 256431), (84, 244220), (105, 195376), (112, 183165), (120, 170954), (140, 146532), (168, 122110), (210, 97688), (240, 85477), (280, 73266), (336, 61055), (420, 48844), (560, 36633), (840, 24422), (1680, 12211)]