20177768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194017}}^1$

素因数の和:194036

約数の個数: 16

約数和(自身を含む): 40743780

約数和(自身を除く): 20566012

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194017, 388034, 776068, 1552136, 2522221, 5044442, 10088884, 20177768]

約数ペア:

[(1, 20177768), (2, 10088884), (4, 5044442), (8, 2522221), (13, 1552136), (26, 776068), (52, 388034), (104, 194017)]