20459978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{132857}}^1$

素因数の和:132877

約数の個数: 16

約数和(自身を含む): 38263104

約数和(自身を除く): 17803126

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 132857, 265714, 929999, 1461427, 1859998, 2922854, 10229989, 20459978]

約数ペア:

[(1, 20459978), (2, 10229989), (7, 2922854), (11, 1859998), (14, 1461427), (22, 929999), (77, 265714), (154, 132857)]