20265544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194861}}^1$

素因数の和:194880

約数の個数: 16

約数和(自身を含む): 40921020

約数和(自身を除く): 20655476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194861, 389722, 779444, 1558888, 2533193, 5066386, 10132772, 20265544]

約数ペア:

[(1, 20265544), (2, 10132772), (4, 5066386), (8, 2533193), (13, 1558888), (26, 779444), (52, 389722), (104, 194861)]