20327978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15661}}^1$

素因数の和:15733

約数の個数: 16

約数和(自身を含む): 33829920

約数和(自身を除く): 13501942

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15661, 31322, 172271, 344542, 923999, 1847998, 10163989, 20327978]

約数ペア:

[(1, 20327978), (2, 10163989), (11, 1847998), (22, 923999), (59, 344542), (118, 172271), (649, 31322), (1298, 15661)]