20647286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15907}}^1$

素因数の和:15979

約数の個数: 16

約数和(自身を含む): 34361280

約数和(自身を除く): 13713994

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15907, 31814, 174977, 349954, 938513, 1877026, 10323643, 20647286]

約数ペア:

[(1, 20647286), (2, 10323643), (11, 1877026), (22, 938513), (59, 349954), (118, 174977), (649, 31814), (1298, 15907)]