20751786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 49353408

約数和(自身を除く): 28601622

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 311, 337, 622, 674, 933, 1011, 1866, 2022, 2799, 3033, 3421, 3707, 5598, 6066, 6842, 7414, 10263, 11121, 20526, 22242, 30789, 33363, 61578, 66726, 104807, 209614, 314421, 628842, 943263, 1152877, 1886526, 2305754, 3458631, 6917262, 10375893, 20751786]

約数ペア:

[(1, 20751786), (2, 10375893), (3, 6917262), (6, 3458631), (9, 2305754), (11, 1886526), (18, 1152877), (22, 943263), (33, 628842), (66, 314421), (99, 209614), (198, 104807), (311, 66726), (337, 61578), (622, 33363), (674, 30789), (933, 22242), (1011, 20526), (1866, 11121), (2022, 10263), (2799, 7414), (3033, 6842), (3421, 6066), (3707, 5598)]