20123343213

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{350587}}^1$

素因数の和:350681

約数の個数: 24

約数和(自身を含む): 28851990048

約数和(自身を除く): 8728646835

約数列:

[1, 3, 19, 53, 57, 159, 361, 1007, 1083, 3021, 19133, 57399, 350587, 1051761, 6661153, 18581111, 19983459, 55743333, 126561907, 353041109, 379685721, 1059123327, 6707781071, 20123343213]

約数ペア:

[(1, 20123343213), (3, 6707781071), (19, 1059123327), (53, 379685721), (57, 353041109), (159, 126561907), (361, 55743333), (1007, 19983459), (1083, 18581111), (3021, 6661153), (19133, 1051761), (57399, 350587)]