20839912

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23053}}^1$

素因数の和:23172

約数の個数: 16

約数和(自身を含む): 39422340

約数和(自身を除く): 18582428

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23053, 46106, 92212, 184424, 2604989, 5209978, 10419956, 20839912]

約数ペア:

[(1, 20839912), (2, 10419956), (4, 5209978), (8, 2604989), (113, 184424), (226, 92212), (452, 46106), (904, 23053)]