20998349

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2225971

約数列:

[1, 17, 29, 191, 223, 493, 3247, 3791, 5539, 6467, 42593, 94163, 109939, 724081, 1235197, 20998349]

約数ペア:

[(1, 20998349), (17, 1235197), (29, 724081), (191, 109939), (223, 94163), (493, 42593), (3247, 6467), (3791, 5539)]