20051649

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 29832192

約数和(自身を除く): 9780543

約数列:

[1, 3, 9, 53, 127, 159, 331, 381, 477, 993, 1143, 2979, 6731, 17543, 20193, 42037, 52629, 60579, 126111, 157887, 378333, 2227961, 6683883, 20051649]

約数ペア:

[(1, 20051649), (3, 6683883), (9, 2227961), (53, 378333), (127, 157887), (159, 126111), (331, 60579), (381, 52629), (477, 42037), (993, 20193), (1143, 17543), (2979, 6731)]