20287426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25943}}^1$

素因数の和:25985

約数の個数: 16

約数和(自身を含む): 33623424

約数和(自身を除く): 13335998

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 25943, 51886, 441031, 596689, 882062, 1193378, 10143713, 20287426]

約数ペア:

[(1, 20287426), (2, 10143713), (17, 1193378), (23, 882062), (34, 596689), (46, 441031), (391, 51886), (782, 25943)]