20806616272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100031809}}^1$

素因数の和:100031830

約数の個数: 20

約数和(自身を含む): 43413805540

約数和(自身を除く): 22607189268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100031809, 200063618, 400127236, 800254472, 1300413517, 1600508944, 2600827034, 5201654068, 10403308136, 20806616272]

約数ペア:

[(1, 20806616272), (2, 10403308136), (4, 5201654068), (8, 2600827034), (13, 1600508944), (16, 1300413517), (26, 800254472), (52, 400127236), (104, 200063618), (208, 100031809)]