20480272

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4621}}^1$

素因数の和:4906

約数の個数: 20

約数和(自身を含む): 39832396

約数和(自身を除く): 19352124

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4621, 9242, 18484, 36968, 73936, 1280017, 2560034, 5120068, 10240136, 20480272]

約数ペア:

[(1, 20480272), (2, 10240136), (4, 5120068), (8, 2560034), (16, 1280017), (277, 73936), (554, 36968), (1108, 18484), (2216, 9242), (4432, 4621)]