20744590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122027}}^1$

素因数の和:122051

約数の個数: 16

約数和(自身を含む): 39537072

約数和(自身を除く): 18792482

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 122027, 244054, 610135, 1220270, 2074459, 4148918, 10372295, 20744590]

約数ペア:

[(1, 20744590), (2, 10372295), (5, 4148918), (10, 2074459), (17, 1220270), (34, 610135), (85, 244054), (170, 122027)]