20748676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1283}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 18510908

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 1283, 2566, 4043, 5132, 8086, 16172, 16679, 33358, 66716, 399013, 798026, 1596052, 5187169, 10374338, 20748676]

約数ペア:

[(1, 20748676), (2, 10374338), (4, 5187169), (13, 1596052), (26, 798026), (52, 399013), (311, 66716), (622, 33358), (1244, 16679), (1283, 16172), (2566, 8086), (4043, 5132)]