20857377904

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10773439}}^1$

素因数の和:10773469

約数の個数: 30

約数和(自身を含む): 44418893120

約数和(自身を除く): 23561515216

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10773439, 21546878, 43093756, 86187512, 118507829, 172375024, 237015658, 474031316, 948062632, 1303586119, 1896125264, 2607172238, 5214344476, 10428688952, 20857377904]

約数ペア:

[(1, 20857377904), (2, 10428688952), (4, 5214344476), (8, 2607172238), (11, 1896125264), (16, 1303586119), (22, 948062632), (44, 474031316), (88, 237015658), (121, 172375024), (176, 118507829), (242, 86187512), (484, 43093756), (968, 21546878), (1936, 10773439)]