20897528

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{24413}}^1$

素因数の和:24526

約数の個数: 16

約数和(自身を含む): 39550680

約数和(自身を除く): 18653152

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 24413, 48826, 97652, 195304, 2612191, 5224382, 10448764, 20897528]

約数ペア:

[(1, 20897528), (2, 10448764), (4, 5224382), (8, 2612191), (107, 195304), (214, 97652), (428, 48826), (856, 24413)]