20208045319

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{4639}}^1$

素因数の和:4844

約数の個数: 48

約数和(自身を含む): 26264627200

約数和(自身を除く): 6056581881

約数列:

[1, 7, 11, 37, 77, 121, 139, 259, 407, 847, 973, 1529, 2849, 4477, 4639, 5143, 10703, 16819, 31339, 32473, 36001, 51029, 56573, 117733, 171643, 357203, 396011, 561319, 622303, 644821, 1201501, 1888073, 3929233, 4356121, 4513747, 7093031, 13216511, 20768803, 23858377, 49651217, 78023341, 145381621, 167008639, 262442147, 546163387, 1837095029, 2886863617, 20208045319]

約数ペア:

[(1, 20208045319), (7, 2886863617), (11, 1837095029), (37, 546163387), (77, 262442147), (121, 167008639), (139, 145381621), (259, 78023341), (407, 49651217), (847, 23858377), (973, 20768803), (1529, 13216511), (2849, 7093031), (4477, 4513747), (4639, 4356121), (5143, 3929233), (10703, 1888073), (16819, 1201501), (31339, 644821), (32473, 622303), (36001, 561319), (51029, 396011), (56573, 357203), (117733, 171643)]