20635335

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 41321280

約数和(自身を除く): 20685945

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 601, 763, 981, 1635, 1803, 2289, 3005, 3815, 4207, 4905, 5409, 6867, 9015, 11445, 12621, 21035, 27045, 34335, 37863, 63105, 65509, 189315, 196527, 327545, 458563, 589581, 982635, 1375689, 2292815, 2947905, 4127067, 6878445, 20635335]

約数ペア:

[(1, 20635335), (3, 6878445), (5, 4127067), (7, 2947905), (9, 2292815), (15, 1375689), (21, 982635), (35, 589581), (45, 458563), (63, 327545), (105, 196527), (109, 189315), (315, 65509), (327, 63105), (545, 37863), (601, 34335), (763, 27045), (981, 21035), (1635, 12621), (1803, 11445), (2289, 9015), (3005, 6867), (3815, 5409), (4207, 4905)]