20416288

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4657}}^1$

素因数の和:4804

約数の個数: 24

約数和(自身を含む): 40496652

約数和(自身を除く): 20080364

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4657, 9314, 18628, 37256, 74512, 149024, 638009, 1276018, 2552036, 5104072, 10208144, 20416288]

約数ペア:

[(1, 20416288), (2, 10208144), (4, 5104072), (8, 2552036), (16, 1276018), (32, 638009), (137, 149024), (274, 74512), (548, 37256), (1096, 18628), (2192, 9314), (4384, 4657)]