20761796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21150844

約数列:

[1, 2, 4, 11, 22, 29, 44, 53, 58, 106, 116, 212, 307, 319, 583, 614, 638, 1166, 1228, 1276, 1537, 2332, 3074, 3377, 6148, 6754, 8903, 13508, 16271, 16907, 17806, 32542, 33814, 35612, 65084, 67628, 97933, 178981, 195866, 357962, 391732, 471859, 715924, 943718, 1887436, 5190449, 10380898, 20761796]

約数ペア:

[(1, 20761796), (2, 10380898), (4, 5190449), (11, 1887436), (22, 943718), (29, 715924), (44, 471859), (53, 391732), (58, 357962), (106, 195866), (116, 178981), (212, 97933), (307, 67628), (319, 65084), (583, 35612), (614, 33814), (638, 32542), (1166, 17806), (1228, 16907), (1276, 16271), (1537, 13508), (2332, 8903), (3074, 6754), (3377, 6148)]