20083415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 7495465

約数列:

[1, 5, 11, 37, 55, 71, 139, 185, 355, 407, 695, 781, 1529, 2035, 2627, 3905, 5143, 7645, 9869, 13135, 25715, 28897, 49345, 56573, 108559, 144485, 282865, 365153, 542795, 1825765, 4016683, 20083415]

約数ペア:

[(1, 20083415), (5, 4016683), (11, 1825765), (37, 542795), (55, 365153), (71, 282865), (139, 144485), (185, 108559), (355, 56573), (407, 49345), (695, 28897), (781, 25715), (1529, 13135), (2035, 9869), (2627, 7645), (3905, 5143)]