20161616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54787}}^1$

素因数の和:54818

約数の個数: 20

約数和(自身を含む): 40762272

約数和(自身を除く): 20600656

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54787, 109574, 219148, 438296, 876592, 1260101, 2520202, 5040404, 10080808, 20161616]

約数ペア:

[(1, 20161616), (2, 10080808), (4, 5040404), (8, 2520202), (16, 1260101), (23, 876592), (46, 438296), (92, 219148), (184, 109574), (368, 54787)]