20974842

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7927}}^1$

素因数の和:7952

約数の個数: 48

約数和(自身を含む): 54227520

約数和(自身を除く): 33252678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7927, 15854, 23781, 47562, 55489, 71343, 110978, 142686, 166467, 214029, 332934, 388423, 428058, 499401, 776846, 998802, 1165269, 1498203, 2330538, 2996406, 3495807, 6991614, 10487421, 20974842]

約数ペア:

[(1, 20974842), (2, 10487421), (3, 6991614), (6, 3495807), (7, 2996406), (9, 2330538), (14, 1498203), (18, 1165269), (21, 998802), (27, 776846), (42, 499401), (49, 428058), (54, 388423), (63, 332934), (98, 214029), (126, 166467), (147, 142686), (189, 110978), (294, 71343), (378, 55489), (441, 47562), (882, 23781), (1323, 15854), (2646, 7927)]