20770448

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12853}}^1$

素因数の和:12962

約数の個数: 20

約数和(自身を含む): 40644348

約数和(自身を除く): 19873900

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12853, 25706, 51412, 102824, 205648, 1298153, 2596306, 5192612, 10385224, 20770448]

約数ペア:

[(1, 20770448), (2, 10385224), (4, 5192612), (8, 2596306), (16, 1298153), (101, 205648), (202, 102824), (404, 51412), (808, 25706), (1616, 12853)]