20080321947

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1\times {\mathrm{5171}}^1$

素因数の和:6400

約数の個数: 48

約数和(自身を含む): 33809488128

約数和(自身を除く): 13729166181

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 1163, 3339, 3489, 5171, 8141, 10467, 15513, 24423, 36197, 46539, 61639, 73269, 108591, 184917, 274063, 325773, 431473, 554751, 822189, 1294419, 1918441, 2466567, 3883257, 5755323, 6013873, 17265969, 18041619, 42097111, 54124857, 126291333, 318735269, 378873999, 956205807, 2231146883, 2868617421, 6693440649, 20080321947]

約数ペア:

[(1, 20080321947), (3, 6693440649), (7, 2868617421), (9, 2231146883), (21, 956205807), (53, 378873999), (63, 318735269), (159, 126291333), (371, 54124857), (477, 42097111), (1113, 18041619), (1163, 17265969), (3339, 6013873), (3489, 5755323), (5171, 3883257), (8141, 2466567), (10467, 1918441), (15513, 1294419), (24423, 822189), (36197, 554751), (46539, 431473), (61639, 325773), (73269, 274063), (108591, 184917)]