20513052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81401}}^1$

素因数の和:81418

約数の個数: 36

約数和(自身を含む): 59260656

約数和(自身を除く): 38747604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81401, 162802, 244203, 325604, 488406, 569807, 732609, 976812, 1139614, 1465218, 1709421, 2279228, 2930436, 3418842, 5128263, 6837684, 10256526, 20513052]

約数ペア:

[(1, 20513052), (2, 10256526), (3, 6837684), (4, 5128263), (6, 3418842), (7, 2930436), (9, 2279228), (12, 1709421), (14, 1465218), (18, 1139614), (21, 976812), (28, 732609), (36, 569807), (42, 488406), (63, 325604), (84, 244203), (126, 162802), (252, 81401)]