20966464

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{3947}}^1$

素因数の和:4042

約数の個数: 28

約数和(自身を含む): 42117264

約数和(自身を除く): 21150800

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 3947, 5312, 7894, 15788, 31576, 63152, 126304, 252608, 327601, 655202, 1310404, 2620808, 5241616, 10483232, 20966464]

約数ペア:

[(1, 20966464), (2, 10483232), (4, 5241616), (8, 2620808), (16, 1310404), (32, 655202), (64, 327601), (83, 252608), (166, 126304), (332, 63152), (664, 31576), (1328, 15788), (2656, 7894), (3947, 5312)]