20168912

素因数分解:

$2^4\times {\mathrm{563}}^1\times {\mathrm{2239}}^1$

素因数の和:2810

約数の個数: 20

約数和(自身を含む): 39164160

約数和(自身を除く): 18995248

約数列:

[1, 2, 4, 8, 16, 563, 1126, 2239, 2252, 4478, 4504, 8956, 9008, 17912, 35824, 1260557, 2521114, 5042228, 10084456, 20168912]

約数ペア:

[(1, 20168912), (2, 10084456), (4, 5042228), (8, 2521114), (16, 1260557), (563, 35824), (1126, 17912), (2239, 9008), (2252, 8956), (4478, 4504)]