20168851404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{268789}}^1$

素因数の和:268859

約数の個数: 72

約数和(自身を含む): 52336638480

約数和(自身を除く): 32167787076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 222, 338, 444, 481, 507, 676, 962, 1014, 1443, 1924, 2028, 2886, 5772, 6253, 12506, 18759, 25012, 37518, 75036, 268789, 537578, 806367, 1075156, 1612734, 3225468, 3494257, 6988514, 9945193, 10482771, 13977028, 19890386, 20965542, 29835579, 39780772, 41931084, 45425341, 59671158, 90850682, 119342316, 129287509, 136276023, 181701364, 258575018, 272552046, 387862527, 517150036, 545104092, 775725054, 1551450108, 1680737617, 3361475234, 5042212851, 6722950468, 10084425702, 20168851404]

約数ペア:

[(1, 20168851404), (2, 10084425702), (3, 6722950468), (4, 5042212851), (6, 3361475234), (12, 1680737617), (13, 1551450108), (26, 775725054), (37, 545104092), (39, 517150036), (52, 387862527), (74, 272552046), (78, 258575018), (111, 181701364), (148, 136276023), (156, 129287509), (169, 119342316), (222, 90850682), (338, 59671158), (444, 45425341), (481, 41931084), (507, 39780772), (676, 29835579), (962, 20965542), (1014, 19890386), (1443, 13977028), (1924, 10482771), (2028, 9945193), (2886, 6988514), (5772, 3494257), (6253, 3225468), (12506, 1612734), (18759, 1075156), (25012, 806367), (37518, 537578), (75036, 268789)]