20984508

素因数分解:

$2^2\times 3^5\times {\mathrm{21589}}^1$

素因数の和:21608

約数の個数: 36

約数和(自身を含む): 55011320

約数和(自身を除く): 34026812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21589, 43178, 64767, 86356, 129534, 194301, 259068, 388602, 582903, 777204, 1165806, 1748709, 2331612, 3497418, 5246127, 6994836, 10492254, 20984508]

約数ペア:

[(1, 20984508), (2, 10492254), (3, 6994836), (4, 5246127), (6, 3497418), (9, 2331612), (12, 1748709), (18, 1165806), (27, 777204), (36, 582903), (54, 388602), (81, 259068), (108, 194301), (162, 129534), (243, 86356), (324, 64767), (486, 43178), (972, 21589)]