20842568

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49157}}^1$

素因数の和:49216

約数の個数: 16

約数和(自身を含む): 39817980

約数和(自身を除く): 18975412

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49157, 98314, 196628, 393256, 2605321, 5210642, 10421284, 20842568]

約数ペア:

[(1, 20842568), (2, 10421284), (4, 5210642), (8, 2605321), (53, 393256), (106, 196628), (212, 98314), (424, 49157)]