20725936

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16823}}^1$

素因数の和:16849

約数の個数: 40

約数和(自身を含む): 50068224

約数和(自身を除く): 29342288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16823, 33646, 67292, 117761, 134584, 185053, 235522, 269168, 370106, 471044, 740212, 942088, 1295371, 1480424, 1884176, 2590742, 2960848, 5181484, 10362968, 20725936]

約数ペア:

[(1, 20725936), (2, 10362968), (4, 5181484), (7, 2960848), (8, 2590742), (11, 1884176), (14, 1480424), (16, 1295371), (22, 942088), (28, 740212), (44, 471044), (56, 370106), (77, 269168), (88, 235522), (112, 185053), (154, 134584), (176, 117761), (308, 67292), (616, 33646), (1232, 16823)]