2000980304

素因数分解:

$2^4\times {\mathrm{1021}}^1\times {\mathrm{122489}}^1$

素因数の和:123518

約数の個数: 20

約数和(自身を含む): 3880728180

約数和(自身を除く): 1879747876

約数列:

[1, 2, 4, 8, 16, 1021, 2042, 4084, 8168, 16336, 122489, 244978, 489956, 979912, 1959824, 125061269, 250122538, 500245076, 1000490152, 2000980304]

約数ペア:

[(1, 2000980304), (2, 1000490152), (4, 500245076), (8, 250122538), (16, 125061269), (1021, 1959824), (2042, 979912), (4084, 489956), (8168, 244978), (16336, 122489)]