20205125905

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^2\times {\mathrm{7949}}^1$

素因数の和:8062

約数の個数: 36

約数和(自身を含む): 26193453300

約数和(自身を除く): 5988327395

約数列:

[1, 5, 23, 31, 115, 155, 529, 713, 961, 2645, 3565, 4805, 7949, 16399, 22103, 39745, 81995, 110515, 182827, 246419, 508369, 914135, 1232095, 2541845, 4205021, 5667637, 7638989, 21025105, 28338185, 38194945, 130355651, 175696747, 651778255, 878483735, 4041025181, 20205125905]

約数ペア:

[(1, 20205125905), (5, 4041025181), (23, 878483735), (31, 651778255), (115, 175696747), (155, 130355651), (529, 38194945), (713, 28338185), (961, 21025105), (2645, 7638989), (3565, 5667637), (4805, 4205021), (7949, 2541845), (16399, 1232095), (22103, 914135), (39745, 508369), (81995, 246419), (110515, 182827)]