20804749136

素因数分解:

$2^4\times {\mathrm{1300296821}}^1$

素因数の和:1300296829

約数の個数: 10

約数和(自身を含む): 40309201482

約数和(自身を除く): 19504452346

約数列:

[1, 2, 4, 8, 16, 1300296821, 2600593642, 5201187284, 10402374568, 20804749136]

約数ペア:

[(1, 20804749136), (2, 10402374568), (4, 5201187284), (8, 2600593642), (16, 1300296821)]