20512071997551

素因数分解:

$3^2\times {\mathrm{367}}^1\times {\mathrm{449}}^1\times {\mathrm{3137}}^1\times {\mathrm{4409}}^1$

素因数の和:8368

約数の個数: 48

約数和(自身を含む): 29791695024000

約数和(自身を除く): 9279623026449

約数列:

[1, 3, 9, 367, 449, 1101, 1347, 3137, 3303, 4041, 4409, 9411, 13227, 28233, 39681, 164783, 494349, 1151279, 1408513, 1483047, 1618103, 1979641, 3453837, 4225539, 4854309, 5938923, 10361511, 12676617, 13831033, 14562927, 17816769, 41493099, 124479297, 516924271, 726528247, 1550772813, 2179584741, 4652318439, 5075989111, 6210133817, 6538754223, 15227967333, 18630401451, 45683901999, 55891204353, 2279119110839, 6837357332517, 20512071997551]

約数ペア:

[(1, 20512071997551), (3, 6837357332517), (9, 2279119110839), (367, 55891204353), (449, 45683901999), (1101, 18630401451), (1347, 15227967333), (3137, 6538754223), (3303, 6210133817), (4041, 5075989111), (4409, 4652318439), (9411, 2179584741), (13227, 1550772813), (28233, 726528247), (39681, 516924271), (164783, 124479297), (494349, 41493099), (1151279, 17816769), (1408513, 14562927), (1483047, 13831033), (1618103, 12676617), (1979641, 10361511), (3453837, 5938923), (4225539, 4854309)]