20121247911

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1\times {\mathrm{3391}}^1$

素因数の和:4071

約数の個数: 32

約数和(自身を含む): 27800506368

約数和(自身を除く): 7679258457

約数列:

[1, 3, 53, 67, 159, 201, 557, 1671, 3391, 3551, 10173, 10653, 29521, 37319, 88563, 111957, 179723, 227197, 539169, 681591, 1888787, 1977907, 5666361, 5933721, 12041441, 36124323, 100105711, 126548729, 300317133, 379646187, 6707082637, 20121247911]

約数ペア:

[(1, 20121247911), (3, 6707082637), (53, 379646187), (67, 300317133), (159, 126548729), (201, 100105711), (557, 36124323), (1671, 12041441), (3391, 5933721), (3551, 5666361), (10173, 1977907), (10653, 1888787), (29521, 681591), (37319, 539169), (88563, 227197), (111957, 179723)]