20737242

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 27525798

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 97, 107, 111, 194, 214, 222, 291, 321, 333, 582, 642, 666, 873, 963, 999, 1746, 1926, 1998, 2619, 2889, 3589, 3959, 5238, 5778, 7178, 7918, 10379, 10767, 11877, 20758, 21534, 23754, 31137, 32301, 35631, 62274, 64602, 71262, 93411, 96903, 106893, 186822, 193806, 213786, 280233, 384023, 560466, 768046, 1152069, 2304138, 3456207, 6912414, 10368621, 20737242]

約数ペア:

[(1, 20737242), (2, 10368621), (3, 6912414), (6, 3456207), (9, 2304138), (18, 1152069), (27, 768046), (37, 560466), (54, 384023), (74, 280233), (97, 213786), (107, 193806), (111, 186822), (194, 106893), (214, 96903), (222, 93411), (291, 71262), (321, 64602), (333, 62274), (582, 35631), (642, 32301), (666, 31137), (873, 23754), (963, 21534), (999, 20758), (1746, 11877), (1926, 10767), (1998, 10379), (2619, 7918), (2889, 7178), (3589, 5778), (3959, 5238)]