20397586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54539}}^1$

素因数の和:54569

約数の個数: 16

約数和(自身を含む): 35341920

約数和(自身を除く): 14944334

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 54539, 109078, 599929, 927163, 1199858, 1854326, 10198793, 20397586]

約数ペア:

[(1, 20397586), (2, 10198793), (11, 1854326), (17, 1199858), (22, 927163), (34, 599929), (187, 109078), (374, 54539)]