20160112

素因数分解:

$2^4\times 7^1\times {\mathrm{180001}}^1$

素因数の和:180016

約数の個数: 20

約数和(自身を含む): 44640496

約数和(自身を除く): 24480384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180001, 360002, 720004, 1260007, 1440008, 2520014, 2880016, 5040028, 10080056, 20160112]

約数ペア:

[(1, 20160112), (2, 10080056), (4, 5040028), (7, 2880016), (8, 2520014), (14, 1440008), (16, 1260007), (28, 720004), (56, 360002), (112, 180001)]