20891364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133919}}^1$

素因数の和:133939

約数の個数: 24

約数和(自身を含む): 52496640

約数和(自身を除く): 31605276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133919, 267838, 401757, 535676, 803514, 1607028, 1740947, 3481894, 5222841, 6963788, 10445682, 20891364]

約数ペア:

[(1, 20891364), (2, 10445682), (3, 6963788), (4, 5222841), (6, 3481894), (12, 1740947), (13, 1607028), (26, 803514), (39, 535676), (52, 401757), (78, 267838), (156, 133919)]