20557524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131779}}^1$

素因数の和:131799

約数の個数: 24

約数和(自身を含む): 51657760

約数和(自身を除く): 31100236

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131779, 263558, 395337, 527116, 790674, 1581348, 1713127, 3426254, 5139381, 6852508, 10278762, 20557524]

約数ペア:

[(1, 20557524), (2, 10278762), (3, 6852508), (4, 5139381), (6, 3426254), (12, 1713127), (13, 1581348), (26, 790674), (39, 527116), (52, 395337), (78, 263558), (156, 131779)]