20488936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197009}}^1$

素因数の和:197028

約数の個数: 16

約数和(自身を含む): 41372100

約数和(自身を除く): 20883164

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197009, 394018, 788036, 1576072, 2561117, 5122234, 10244468, 20488936]

約数ペア:

[(1, 20488936), (2, 10244468), (4, 5122234), (8, 2561117), (13, 1576072), (26, 788036), (52, 394018), (104, 197009)]