20512288

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7723}}^1$

素因数の和:7816

約数の個数: 24

約数和(自身を含む): 40875408

約数和(自身を除く): 20363120

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7723, 15446, 30892, 61784, 123568, 247136, 641009, 1282018, 2564036, 5128072, 10256144, 20512288]

約数ペア:

[(1, 20512288), (2, 10256144), (4, 5128072), (8, 2564036), (16, 1282018), (32, 641009), (83, 247136), (166, 123568), (332, 61784), (664, 30892), (1328, 15446), (2656, 7723)]