20369943

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 33860736

約数和(自身を除く): 13490793

約数列:

[1, 3, 9, 11, 33, 37, 67, 83, 99, 111, 201, 249, 333, 407, 603, 737, 747, 913, 1221, 2211, 2479, 2739, 3071, 3663, 5561, 6633, 7437, 8217, 9213, 16683, 22311, 27269, 27639, 33781, 50049, 61171, 81807, 101343, 183513, 205757, 245421, 304029, 550539, 617271, 1851813, 2263327, 6789981, 20369943]

約数ペア:

[(1, 20369943), (3, 6789981), (9, 2263327), (11, 1851813), (33, 617271), (37, 550539), (67, 304029), (83, 245421), (99, 205757), (111, 183513), (201, 101343), (249, 81807), (333, 61171), (407, 50049), (603, 33781), (737, 27639), (747, 27269), (913, 22311), (1221, 16683), (2211, 9213), (2479, 8217), (2739, 7437), (3071, 6633), (3663, 5561)]