20791897144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1\times {\mathrm{4903}}^1$

素因数の和:6164

約数の個数: 64

約数和(自身を含む): 42864883200

約数和(自身を除く): 22072986056

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1213, 1748, 2426, 3496, 4852, 4903, 9704, 9806, 19612, 23047, 27899, 39224, 46094, 55798, 92188, 93157, 111596, 112769, 184376, 186314, 223192, 225538, 372628, 451076, 530081, 745256, 902152, 1060162, 2120324, 2142611, 4240648, 4285222, 5947339, 8570444, 11894678, 17140888, 23789356, 47578712, 112999441, 136788797, 225998882, 273577594, 451997764, 547155188, 903995528, 1094310376, 2598987143, 5197974286, 10395948572, 20791897144]

約数ペア:

[(1, 20791897144), (2, 10395948572), (4, 5197974286), (8, 2598987143), (19, 1094310376), (23, 903995528), (38, 547155188), (46, 451997764), (76, 273577594), (92, 225998882), (152, 136788797), (184, 112999441), (437, 47578712), (874, 23789356), (1213, 17140888), (1748, 11894678), (2426, 8570444), (3496, 5947339), (4852, 4285222), (4903, 4240648), (9704, 2142611), (9806, 2120324), (19612, 1060162), (23047, 902152), (27899, 745256), (39224, 530081), (46094, 451076), (55798, 372628), (92188, 225538), (93157, 223192), (111596, 186314), (112769, 184376)]