20078309

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 22087728

約数和(自身を除く): 2009419

約数列:

[1, 17, 37, 137, 233, 629, 2329, 3961, 5069, 8621, 31921, 86173, 146557, 542657, 1181077, 20078309]

約数ペア:

[(1, 20078309), (17, 1181077), (37, 542657), (137, 146557), (233, 86173), (629, 31921), (2329, 8621), (3961, 5069)]