20488312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197003}}^1$

素因数の和:197022

約数の個数: 16

約数和(自身を含む): 41370840

約数和(自身を除く): 20882528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197003, 394006, 788012, 1576024, 2561039, 5122078, 10244156, 20488312]

約数ペア:

[(1, 20488312), (2, 10244156), (4, 5122078), (8, 2561039), (13, 1576024), (26, 788012), (52, 394006), (104, 197003)]