20565643978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{8081}}^1\times {\mathrm{115679}}^1$

素因数の和:123773

約数の個数: 16

約数和(自身を含む): 33657327360

約数和(自身を除く): 13091683382

約数列:

[1, 2, 11, 22, 8081, 16162, 88891, 115679, 177782, 231358, 1272469, 2544938, 934801999, 1869603998, 10282821989, 20565643978]

約数ペア:

[(1, 20565643978), (2, 10282821989), (11, 1869603998), (22, 934801999), (8081, 2544938), (16162, 1272469), (88891, 231358), (115679, 177782)]