20560048

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4639}}^1$

素因数の和:4924

約数の個数: 20

約数和(自身を含む): 39987520

約数和(自身を除く): 19427472

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4639, 9278, 18556, 37112, 74224, 1285003, 2570006, 5140012, 10280024, 20560048]

約数ペア:

[(1, 20560048), (2, 10280024), (4, 5140012), (8, 2570006), (16, 1285003), (277, 74224), (554, 37112), (1108, 18556), (2216, 9278), (4432, 4639)]