20887739805

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1\times {\mathrm{16433}}^1$

素因数の和:17381

約数の個数: 32

約数和(自身を含む): 33793562880

約数和(自身を除く): 12905823075

約数列:

[1, 3, 5, 15, 101, 303, 505, 839, 1515, 2517, 4195, 12585, 16433, 49299, 82165, 84739, 246495, 254217, 423695, 1271085, 1659733, 4979199, 8298665, 13787287, 24895995, 41361861, 68936435, 206809305, 1392515987, 4177547961, 6962579935, 20887739805]

約数ペア:

[(1, 20887739805), (3, 6962579935), (5, 4177547961), (15, 1392515987), (101, 206809305), (303, 68936435), (505, 41361861), (839, 24895995), (1515, 13787287), (2517, 8298665), (4195, 4979199), (12585, 1659733), (16433, 1271085), (49299, 423695), (82165, 254217), (84739, 246495)]